Explain why solving a system of equations using graphing is not a useful solution technique?

Answers

Answer 1

Answer:

solving a system of equations using graphing is not a useful solution technique because you are plotting on a 2D surface. For example, if you graph the system below, you get the following graph. ... While you can approximate the solution to this system, you cannot say exactly where the intersection point is since it does not fall on integer values on the number lines.


Related Questions

Select the locations on the number line to plot the points 92 and −72.

may give brainliest

Answers

Answer:

9/2 and -7/2

we add both answer is 1

so in number line 1 is points

when right so mark me brainlists

Answer

Okay so I got this answer wrong on my own quiz so I will screenshot you the answer <3

So sorry if this is wrong!! :((

If Clancy had 3 people that decided not to come after he purchased the yogurt for the party, what equation could he use to determine the new serving size Clancy and each guest could have?

Answers

He could use Division

Hi, please let me know if this is correct, please tell me if I’m wrong, thx (:

Answers

Answer:

It's correct!

Step-by-step explanation:

20.9/10000=0.00209

pls mark me as brainliest!

Fill in the missing fraction part

Answers

Answer:

6

Step-by-step explanation:

you double the first unit by multiplying it by 2

Answer: 6

Step-by-step explanation:

Since fourths are basically eights cut into half, you can shade in the second empty diagram to look just like the first one. You will see that you shaded in 6 parts.

That means that 6/8 is the answer.

What is the slope of the line shown below

Answers

Answer:

b

Step-by-step explanation:

pls mark me as brainliest

write a degree 3 polynomial with zeros 1, 5i, and -5i

Answers

Answer:

x^3 -x^2 + 25x - 25

Step-by-step explanation:

x = 1

x = 5i

x = -5i

(x - 1)(x - 5i)(x + 5i)

Multiply

(x - 1)(x^2 + 5ix - 5ix + 25) *Remember that i multiplied by i equals negative and in this situation, one of the variables was already negative, so negative multiplied by negative is positive*

(x - 1)(x^2 + 25)

Multiply again

x^3 + 25x -1x^2 - 25

x^3 -x^2 + 25x - 25

-7x² - 6x +9 and 3x²-x+7

Answers

Answer:

For -7x^2 - 6x + 9: [tex]-\frac{3+6\sqrt{2} }{7}[/tex] [tex]-\frac{3-6\sqrt{2} }{7}[/tex]

For 3x^2 -x + 7: [tex]\frac{x+i\sqrt{83} }{6}[/tex] [tex]\frac{x-i\sqrt{83} }{6}[/tex]

Step-by-step explanation:

Find the zeros using the quadratic formula. Solution attatched. I apologize for poor handwriting. Also, there should be a negative sign before the answer to the first expression in the solution.

Which is greater than 4?

(a) 5,

(b) -5,

(c) -1/2,

(d) -25.​

Answers

Answer:

(a) 5> 5 is greater than 4

3f-23=2f+6
can u do it quick i have an exam​

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Answer:

3f - 2f = 6 + 23( collection of like terms)

f = 29

Find the domain and rang of the relations

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Domain: All real numbers or ( -infinity, infinity)

Range: [-3, infinity)

I was getting help and got kicked off

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Answer:

I'm not so sure but i think it's 9

Step-by-step explanation:

factorize
x²+17x+6 =????


Answers

Answer:

x²+17x+6=xx+17x+6=(17+x)x +6=17+xx+6= 17+x²+6=23+x²

=>x²+17x+6=23+x²

Find the sim of 82 and 148

Answers

The sum of 82 and 148 is 230

WILL GIVE BRAINLIEST
The tree diagram represents an
experiment consisting of two trials.

Answers

Answer:

Here we have to find out P(A and C)

there is 'and' between A, C so we have to multiply A, C 's value.

So,

P(A and C)

= .5*.4

= 1/5  

(answer)

Step-by-step explanation:

13. A rectangle has area 3 in? and length 9 in. Find the width of the rectangle?​

Answers

Answer:

w≈0.33in

Step-by-step explanation:

Using the formula

A=wl

Solving forw

w = [tex]\frac{A}{l}[/tex] = [tex]\frac{3}{9}[/tex] ≈0.33333in

K(x)=-3x^2-3;find k(-2)

Answers

Answer:

5z

Step-by-step explanation:

because I leaned it at school

What is the side length of a square that has an area equal to 49 squared
inches? *
s= 7 inches
s= 6 inches
s= 5 inches
s= 8 inches
Please help me

Answers

Answer:

s= 7 inches

Step-by-step explanation:

Let the side length be x

Area of square = side × side OR [tex]side^{2}[/tex]  (lets put x in place of side)

                   [tex]49^{2}[/tex] = x

                      7 = x

                   

Side length = 7 inches                        

Answer:

7 inches

Step-by-step explanation:

Area of a square = 49 sq. inches

side *side = 49

       side = [tex]\sqrt{49}=\sqrt{7*7} = 7 \ inches[/tex]

linear sequence is 11,20,29,38 whats the nth term​

Answers

Answer: I believe 47

Step-by-step explanation:

11 + 9 equals 20 and you keep adding 9

:)

Simplify the follow: (−4dq)^2

Answers

the answer is going to be 16d^2q^2
hope this helps!

Some people advise that in very cold​ weather, you should keep the gas tank in your car more than half full. Irene​'s car had 6.4 gallons in the 15​-gallon tank on the coldest day of the year. Irene filled the tank with gas that cost ​$3.60 per gallon. How much did Irene spend on​ gas?

Answers

Answer:

$23.04

Step-by-step explanation:

6.4 * 3.6 = 23.04

What is the answer, please help.

Answers

It’s the top left one!

5.2 x 6.9 what is the answerr

Answers

Answer:

the answer of 5.2 x 6.9 = 35.88

Answer:

♡ The first answer is correct

♡ Please mark them BRAINIEST

♡ Hope this helps

♡ Have a beautiful day


A garden store purchased a lawn mower and marked it up 160% from the original cost of
$82.67. A week later, the store placed the lawn mower on sale for 10% off. What was the
discount price?

Answers

Answer:

$119.04

Step-by-step explanation:

160% of $82.67

= 160/100 * 82.67

= 16/10 * 82.67

= $132.272

After discount,

90/100 * 132.272

= 119.0448

≈ $119.04

Hope this helps and be sure to have a great time ahead at Brainly! :D

PLEASE HELP ITS MATH THANK YOUUUU

Answers

Answer:

The length is 6 feet

Step-by-step explanation:

Which of the following ratios is not equivalent to 1.22?

Answers

Answer:

Where are options

Step-by-step explanation:

You can edit your question or resend it

PLEASE HELP ME ASAP! 10/25/2021 for 23 points!!
Simplify the expression using long division and upload photo of your work?
(2x^3-10x^2+5x+14)÷(x-2)

Answers

Answer:

2x^2−6x−7

Step-by-step explanation:

2x^3−10x^2+5x+14 over

x−2

=

2x^3−10x^2+5x+14 over

x−2

=

(x−2)(2x^2−6x−7) over

x−2

=2x^2−6x−7

Answer:

6x^2+2x+9+32/x-2

6x^3-10x^2+5x+14/x-2

Step-by-step explanation:

zasha spent $6 on packages of gum. How many more packages of gum that cost $1.20 each can she buy if she has a $20 bill? in a equition

Answers

Answer:

17. (20.4)

Step-by-step explanation:

x times 1.20=20

x is how many packages

Plz help meeeeeeeeeeeeeee

Answers

Answer:

1,005

Step-by-step explanation:

The answer would be 1,005. Do this by adding the numbers them deciding them by 2

Write an algebraic expression for “8.9 times a number.”

A 1-column table with 5 rows. Column 1 is labeled Multiplication Words with entries double, multiply, product, twice, times.

Which would you simplify in order to evaluate the expression when the value of the variable is 2?
8.9/2
8.9 + 2
8.9(2)
(8.92)

Answers

Answer:

8.9(2)

Step-by-step explanation:

8.9/2 is division.

8.9+2 is addition.

(8.92) is just adding 2 onto 8.9 which extends the number, not multiplies.

Answer:

8.9(2)

Step-by-step explanation:

Which fraction is not equivalent to 9/12
15/20
24/32
6/8
16/24

Answers

Answer:

16/24

Step-by-step explanation:

9/12–> simplify to 3/4

3/4=15/20

24/32=3/4

6/8=3/4

16/24 is not equal

Answer:

16/24 isn't equivalent to 9/12

Step-by-step explanation:

9/12 = 0.75

Let's see what all the fractions equal to first.

15/20 = 0.75

24/32 = 0.75

6/8 = 0.75

16/24 = 0.667

As you can see, the fraction 16/24 doesn't equal 0.75.

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