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Salsk061 [2.6K]
3 years ago
5

PLEASE HELP!!! Which Equation is represented by the graph?

Mathematics
2 answers:
Blizzard [7]3 years ago
7 0
The answer is D. y=2x^2-2
slega [8]3 years ago
6 0
Hey!


I have attached four different graphs to this answer.

The first graph represents the equation  y=2 x^{2} - 3

The second graph represents the equation y = -3 x^{2}  +2.

The third graph represents the equation y= 3 x^{2} -2.

The fourth and final graph represents y=2 x^{2} -2.

Now, at first I thought the correct answer was graph four, but then I took a closer look at the image you provided and I can tell that that was not the correct answer. You see, both the last to graphs look fairly similar, but they are different by a few points.

Your graph shows two x-intercepts that are not exactly on -1 and 1. Which explains why I though graph number four was the correct answer. But it cannot be the correct answer because graph number 4 shows two x-intercepts EXACTLY on -1 and 1.

<em>So, this means the answer is graph 3, or the equation</em>  y= 3 x^{2} -2.

Hope this helps!


- Lindsey Frazier ♥

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Answer:

n=-5

Step-by-step explanation:

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3 years ago
Drag each graph to show if the system of linear equations it represents will have no solutions, one solution at (2,6), one solut
hjlf

Answer:

see the explanation

Step-by-step explanation:

<u><em>Verify each case</em></u>

Part 1) The graph show two identical lines, then the system has infinitely many solutions

Part 2) The graph show two perpendicular lines.

Remember that the solution of the system is the intersection point both graphs

The intersection point is (2,6)

therefore

The system has one solution at (2,6)

Part 3) The graph show two intersecting lines at (-6,-2)

Remember that the solution of the system is the intersection point both graphs

The intersection point is (-6,-2)

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8 0
3 years ago
Thomas buys a cardboard sheet that is 8 by 12 inches. Let x be the side length of each cutout. Using complete sentences, explain
jasenka [17]

Answer: V = (12in - 2*x)*(8 in - 2*x)*x

Step-by-step explanation:

So we have a rectangular cardboard sheet, and we cut four squares of side length x in each corner so we can make a box.

Remember that for a box of length L, width W and height H, the volume is:

V = L*W*H

In this case, the length initially is 12 inches, but we remove (from each end) x inches of the length, then the length of the box will be:

L = 12 in - 2*x

For the width we have a similar case:

W = 8in - 2*x

And te height of the box will be equal to x, then:

H = x

This means that the volume is:

V = (12in - 2*x)*(8 in - 2*x)*x

Here we can see the connection between the cutout and the volume of the box

7 0
3 years ago
Need help please, thanks!
MakcuM [25]
Given:
1 inch : 18 kilometers

Let us use the ratio and proportion method:

a:b = c:d where ad = bc

0.8 inches is <u>14.4 kilometers</u>

1 : 18 = 0.8 : x
x = 0.8 * 18
x = 14.4 km

1.4 inches is <u>25.2 kilometers</u>

1: 18 = 1.4 : x
x = 18 * 1.4
x = 25.2 km

2.1 inches is <u>37.8 kilometers</u>

1 : 18 = 2.1 : x
x = 18 * 2.1
x = 37.8 km

4 0
2 years ago
Martin has $200 in his savings account. he is looking at two investment plans. under plan A, he will increase his account balanc
dangina [55]
I believe the answer is $300.
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Read 2 more answers
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