The slope-intercept form of a line is y = mx + b, where m is the slope and b is the y-intercept. If Shawn knows that the slope of the line is 4 and the line passes through the point (1,-8), which equation should he use to find the y-intercept and what is the y-intercept of the line? Choices are as follows: b = y + mx b = y - mx b = [tex]\frac{y-m}{x}[/tex] b = -12 b = -4 b = 2

Answers

Answer 1

Answer:

b=y-mx

Step-by-step explanation:

We know that y=mx+b is the slope intercept form of a line and we know that the slope of the line is 4. So:y = 4x+bHowever, we need to find the y intercept of the line which is b. Using the point (1,-8), we can find the y intercept. We need to find the equation to find the y-intercept. So:y = mx+b b=y-mxAnd now, we can substitute 4 for m which is the slopeb=y-4xUsing the point (1,-8) we can find the y-intercept b=(-8)-4(1)b=-8-4b=-12

the equation of the line is y = 4x - 12 with the slope being 4 and y-intercept is -12. The equation we used is b = y-mx


Related Questions

What is the domain and range

Answers

domain is x>1 and range is all real numbers

A jar contains 7 blue marbles, 3 red marbles, and 3 green marbles. You pick one marble without looking. What is the probability that the marble will be red? Answer as a fraction in the simplest form.

Answers

Answer:

7/13

Step-by-step explanation:

there are 13 marbles altogether and there is blue marbles the most

Please Help !! Show All Work !!

Answers

Answer:

1) (4,4)  2) (4,0)   3) (6,1)

Step-by-step explanation:

[tex](\frac{5+13}{2} )(\frac{7+1}{2} )\\(\frac{8}{2} )(\frac{8}{2} )\\(4,4)[/tex]

[tex](\frac{-3+7}{2} )(\frac{-3+3}{2} )\\(\frac{4}{2} )(\frac{0}{2} )\\(4,0)[/tex]

[tex]\frac{-5+x_2}{2} =1[/tex] multiply 1 by 2=2 then write[tex](+5)-5+x_2=1(+5)\\x_2 = 6[/tex]

[tex]\frac{3+y_2}{2} =2[/tex] multiply 2 by 2= 4 then write [tex](-3)3+y_2=4(-3)\\y_2=1[/tex]

HELPPP!! ASAP PLZ!!!

there are 25 studentz in Lauras class,and 21 of the students went on the class trip to the zoo. what percentage of students went on the class trip?

F) 21%
G) 25%
H) 74%
J) 84%

Answers

Answer:

J: 84%.

Step-by-step explanation:

I don't really know how to explain this one.

Answer:

J. 84

Step-by-step explanation:

hey can someone help me?

Answers

I think it’s (4,2), If not I am so sorry.

Solve
(6.0 x 10 ^4) + (3.0 x 10 ^4)

Answers

Answer:

9x10000 or 9.0 x 10^4

Step-by-step explanation:

6x104+3x104

Simplifies to:

9x10000

=9x10000

Mark Brainliest?

Answer:

9.0 x 10^4

Step-by-step explanation:

(6.0 x 10 ^4) + (3.0 x 10 ^4)

=> 6 x 10000 + 3 x 10000

=> 10000(6+3)

=> 9(10000)

=> 9 x 10^4

=> 9.0 x 10^4

.what is .02 divied by .30 please dont show the calculator answer

Answers

Answer:

  1/15

Step-by-step explanation:

.02 = [tex]\frac{2}{100}[/tex]     and   .30 = [tex]\frac{3}{10}[/tex]

cross multiply

[tex]\frac{2}{100}[/tex]  ÷  [tex]\frac{3}{10}[/tex]   = 2(10) ÷ 300

[tex]\frac{20}{300} = \frac{1}{15}[/tex]

Fraction answer: 1/15

Decimal answer: 0.066666666666667

can anyone help me it’s algebra 2

Answers

Answer:

2.5

Step-by-step explanation:

4x+1=11

4x=11-1

4x=10

x=10/4

=2.5

ANSWER:

2.5

STEP-BY-STEP-EXPLANATION

4x + 1 = 11
4x = 11 - 1 (get the numbers on one side)
4x = 10
x = 10/4
x = 2.5

Hope that helped

It’s geometry I need help

Answers

Answer: Parallel

Y=x will be on the point of the graph
Y= x+2 will be two units up but still positive so they will never interest

Step-by-step explanation:

Hey there!!

Let's check!

The equation are:

y=x

x - y = 0......(i).

y = x+2

x - y +2 =0......(i).

From equation (i).

[tex]slope(m1) = \frac{ - coeff. \: of \: x}{ coeff. \: of \: y} [/tex]

[tex]m1 = \frac{ - 1}{ - 1} [/tex]

Therefore the slopeof 1st equation is 1.

Now,

From 2nd equation.

[tex]slope(m2) = \frac{ - coeff. \: of \: x}{coeff. \: of \: y} [/tex]

[tex]m2 = \frac{ - 1}{ - 1} [/tex]

Therefore the slope of equation 2 is 1.

As per the condition of parallel lines,

m1= m2

From both equation we got,

m1=m2=1

So, the lines are parallel.

For perpendicular,

m1×m2 = -1

1×1 is not equal to -1.

So, they are not perpendicular.

So, The answer is Option A.

Hope it helps....

In a social club, the ratio of men to women is 5: 7. There are 595 women. How
many men are there?

Answers

Answer:

52

you take 5 ÷ it by 7 the ×it by 595

A ratio is an ordered pair of numbers a and b written as a/b where b is not equal to zero.

if the number of women in the social club is 595 then the number of men in the social club is 425.

What are ratios and proportions?

A ratio is an ordered pair of numbers a and b written  as:

a / b where b does not equal 0.

A proportion is an equation in which two ratios are equal to each other.

We have,

The ratio of men to women:

= 5:7

= 5/7

Let,

The number of men = 5x

The number of women = 7x

Now,

If the number of women = 595

We have,

7x = 595

Multiplying both sides by 5/7 we get,

5/7 x (7x) = 5/7 x 595

5x = 5/7 x 595

5x = 5 x 85

5x = 425

This means if there are 435 men in the social club if the number of women is 595.

Thus if the number of women in the social club is 595 then the number of men in the social club is 425.

Learn more about ratios and proportions here:

https://brainly.com/question/2462048

#SPJ2

Please help, question is in photo below, about finding angles.AWARDING MORE POINTS

Answers

Step-by-step explanation:

[tex](2x + 23) + (9x - 5) = 11x + 18 \\ 11x + 18 = 95 \: \: \: \: 11x = 77 \\ x = 7 \\ abd = (2 \times 7) + 23 = 37 \\ dbc = (2 \times 9) - 5 = 13[/tex]

Answer:

x=7

m<ABD=37°

m<DBC=58°

Step-by-step explanation:

Add the two equations.  They need to equal 95.  Solve for x.

(2x+23)+(9x-5)=95

11x+18=95

11x=95-18

11x=77

x=7

Substitute 7 in for x to both equations to solve for the angle degrees.

m<ABD=2x+23 = 2(7)+23 = 14+23 = 37

m<DBC=9x-5 = 9(7)-5 = 63-5 = 58

CHECK: 37+58=95

Brooklyn bought 9 chicken wings for $12. What was the cost of the wings in wings per dollar?

Answers

Answer:

3/4 wings per dollar

Step-by-step explanation:

We want to find wings per dollar

9 wings/ 12 dollars

Divide top and bottom by 3

3/4 wings per dollar

15. PART A: Write an algebraic expression for each verbal expression "the product of 9 and t squared, increased by the sum of the square of t and 2" *

Answers

Answer:

9t²+(t²+2)

Step-by-step explanation:

The product of 9 and t squared is expressed as 9×t² (product means multiplication)

9×t² = 9t²

Also, sum of the square of t and 2" is expressed as t² + 2 (sum means addition)

Finally, if the product of 9 and t squared, increased by the sum of the square of t and 2", the final expression will be the sum of the two expressions gotten. {Increment also means addition} i.e 9t²+(t²+2)

The algebraic expression is 9t²+(t²+2)

g(a) = a + 2. Find f(-7).

Answers

Answer:

-5= g(a)

Step-by-step explanation:

assuming this is a typo and you meant to say g(-7).

-7 +2 = -5

Yolanda is buying supplies for school. She buys n packages of pencils at $1.10 per package and m pads
of paper at $2.20 each. What does each term in the expression 1.1n +2.2m represent? What does the
entire expression represent?
The term 1.1n represents the (select)
The term 2.2m represents the (select)
The expression represents the (select)

Answers

1.1n represents the total cost of n packages of pencils.

2.2m represents the total cost of m pads of paper

The entire expression represents the total cost of Yolanda's school supplies.

Determine if the function is one-to-one.

Answers

Answer:

No

Step-by-step explanation:

From what I saw on google for what "one to one" means, It's basically meaning that the bottom of that quadratic function is at point (0 , 0) and hits both (-1 , 1) and (1 , 1) on the graph.


Find the distance between (-5,3) and (2,-1).

Answers

Answer:

distance = sqrt( 65 ) ~= 8.06

Step-by-step explanation:

To find the distance between two points, we can use the distance formula.

distance = sqrt( [x2 - x1]^2 + [y2 - y1]^2)

distance = sqrt( [-5 - 2]^2 + [3 - -1]^2)

distance = sqrt( [-7]^2 + [4]^2)

distance = sqrt( 49 + 16 )

distance = sqrt( 65 ) ~= 8.06

Cheers.

Answer: d=8.06

Step-by-step explanation:

To this the distance between two points, you would need the distance formula.

Distance Formula: [tex]d=\sqrt{(x_{2}-x_{1} )^2+(y_{2} -y_{1} )^2}[/tex]

Since we have two given points, all we have to do is plug them in.

[tex]d=\sqrt{(2-(-5) )^2+(-1 -3 )^2}[/tex]              [parentheses]

[tex]d=\sqrt{(7)^2+(-4 )^2}[/tex]                                [exponent]

[tex]d=\sqrt{49+16}[/tex]                                        [add]

[tex]d=\sqrt{65}[/tex]                                                [square root]

[tex]d=8.06[/tex]

Now we know that the distance is d=8.06.

What is the length of the segment connecting the points A(1,3) and B(6,5)?

Answers

Answer:

The answer is

[tex]\sqrt{29} \: \: \: or \: \: \:5.38 \: \: \: units[/tex]

Step-by-step explanation:

The length of the segment connecting two points can be found by using the formula

[tex]d = \sqrt{ ({x1 - x2})^{2} + ({y1 - y2})^{2} } \\ [/tex]

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

A(1,3) and B(6,5)

The length is

[tex] |AB| = \sqrt{ ({1 - 6})^{2} + ({3 - 5})^{2} } \\ = \sqrt{ ({ - 5})^{2} + ( { - 2})^{2} } \\ = \sqrt{25 + 4} \\ = \sqrt{29} [/tex]

We have the final answer as

[tex] \sqrt{29} \: \: \: or \: \: \:5.38 \: \: \: units[/tex]

Hope this helps you

The rectangle has a length of -2x + 10 and a width of 10. a) Find the area of the rectangle and simplify.​

Answers

Answer:

Area = -20x + 100Perimeter = -4x + 40

Step-by-step explanation:

Given rectangle with

Length l = - 2x + 10 Width w = 10

To find

AreaPerimeter

Solution

A = lwA = (-2x + 10)*10 = -20x + 100P = 2(l +w) P = 2( -2x + 10 + 10) = 2( -2x + 20) = -4x + 40

A pitcher throws a 98 mph fastball. How fast is this in feet/second?

Answers

Answer:

143.733 f/s

Explanation:

for an approximate result, multiply the speed value by 1.467

WILL GIVE 13 POINTS AND BRAINLIEST TO WHO GETS THIS RIGHT. NAME THE INTERSECTION OF DA AND BC

Answers

Answer:

The intersection is B

Step-by-step explanation:

It is B because every line meets up at the same spot which is B.

Please mark branliest if this helped you!

(4 x 10^4) x (2 x 10^-5)
A) 8 x 10^1
B) 8 x 10^-1
C) 2 x 10^9
D) 6x 101-1.

Answers

Answer: B) 8•10^-1

Use the commutative property to reorder the terms.
(4•2)•(10^4 • 10^-5 )

Multiply the numbers. Multiply the terms with the same base by adding their exponents.
8•10^4-5

Calculate the difference and you get 8•10^-1

Hope this helps ʕ•ᴥ•ʔ

Find the midpoint of points A(-2,-8) and B(7,-4) graphically.

Answers

Answer:

The midpoint is (2.5,-6) or written as a fraction ([tex]\frac{5}{2}[/tex], -6)

Step-by-step explanation:

[tex]MP= (\frac{x_1+x_2}{2}),(\frac{y_1+y_2}{2} ) \\MP= (\frac{-2+7}{2}),(\frac{-8+-4}{2} ) \\MP= (\frac{5}{2}),(\frac{-12}{2} ) \\MP= (2.5,-6 )[/tex]

I only need letter D

Answers

Answer:

its how much money he will get

Step-by-step explanation:

Simplify this i need help

Answers

Answer:

Step-by-step explanation:

√2x(7 + √2x)

7√2x + √2x ·√2x

7√2x + 2x

or

2x + 7√2x

A is the answer

CAN SOMEONE MAKE SENSE OUT OF THIS. please i need explaining!!! Shawn's square living room needs new flooring. He needs 196 square feet of flooring to cover the living room. What are the dimensions of Shawn's living room? Since Shawn's living room is in the shape of a square, we know that the length of each side is exactly the same. If we let s represent the length of the room, we can write an equation using the area of a square formula (A = s2). A=s•s=s2=196 Using the definition of square root: s2 = 196 s = ±√196 s = ±14 But since we are talking about the dimensions of Shawn's living room, the only real solution to this problem is 14 feet (because a solution of -14 feet would not be possible).

Answers

Step-by-step explanation:

Shawn's living room is a square, so all four sides are the same length.  Area of a square is A = s², and we know the area is 196 ft².  If substitute this for A:

196 ft² = s²

Take square root of both sides:

s = √(196 ft²)

s = ±14 ft

Since measurements of lengths can't be negative, s must be +14 ft.  So Shawn's living room is 14 ft x 14 ft.

Answer:

14 ft x 14 ft.

Step-by-step explanation:

what is the area of the parallelogram 12cm 11cm 9cm ?​

Answers

Answer:

1188

multiply the numbers

need help someone please

Answers

Answer:

52

Step-by-step explanation:

I'm pretty sure that it would be 52 mi because it is the same said that the angel ST is. Angels NM and ST are congruent. Therefore, the answer is 52 mi.

Find f(2) for the following functions: f(x) = x - 14

Answers

Answer:

f(2) = - 12

Step-by-step explanation:

f(x) = x - 14

To find f(2) substitute the value of x that's 2 into f(x). That is for every x in f(x) replace it with 2

We have

f(2) = 2 - 14

We have the final answer as

f(2) = - 12

Hope this helps you

Here, we are given with a polynomial f(x)

[tex]f(x) = x - 14[/tex]

And we are asked to find f(2).....?

We can see that, 2 is in place of x. So for finding its value, we need to substitute 2 in place of x.

Substituting 2 in place of x:

[tex]f(x) = x - 14[/tex]

[tex]f(2) = 2 - 14[/tex]

Solving further,

[tex]f(2) = \boxed{- 12}[/tex]

And, we're done with the value of f(2)

#CarryOnLearning

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A plumber charges $17 to visit a client's home, plus an additional $36 per hour. What is the
duration, in hours, of a plumber's visit that costs $89?

Answers

Answer:

I believe the duration for $89.00 is 2 hours

Step-by-step explanation:

We start off with the $17 dollars and calculate 36.00+36.00 for a total of $89. Therefore, (120 mins)/60=2 hours.

Because this is a linear problem, I'd use the slope-intercept formula:

[tex]y = mx + b[/tex]

where

m = slope (rise/run)

y = dependent value

x = independent value

b = constant value

Because the plumber charges $17 upon arrival, it is our constant. The $36 is our slope (per hour, per minute, per etc. is generally a give away). Additionally because the total cost of the plumber's visit depends on how long s/he stays at a client's home, the $89 is our y value. Therefore the equation should look like this:

[tex]89 = 36x + 17[/tex]

Solve for x by subtracting 17 from both sides of the equation then dividing by 36.

[tex]72 = 36x[/tex]

[tex]2 = x[/tex]

The plumber spent two hours at his/her client's home.

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