SOLUTION: y=x^2+2x-15 find the corresponding y values for x=-4,-3,-2,-1,0,1,2 y=4x^2 +2x-15 y=18x-15 y=18x-15 then moved the 18 xon the other side to move the x to the other side y=15-18x th

Question 150596: y=x^2+2x-15 find the corresponding y values for x=-4,-3,-2,-1,0,1,2 y=4x^2 +2x-15 y=18x-15 y=18x-15 then moved the 18 xon the other side to move the x to the other side y=15-18x the answer is -3 is this right. Then how do i find the corresponding for the # that is at the top.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Table of Contents:

Jump to Table
Jump to Graph

In order to graph , we need to plot some points.

Let's find y when

Start with the given equation.

Plug in .

Square to get .

Multiply and to get .

Multiply and to get .

Combine like terms.

So when , then .

So we have the point

.

----------------------------------------------------

Let's find y when :

Start with the given equation.

Plug in .

Square to get .

Multiply and to get .

Multiply and to get .

Combine like terms.

So when , then .

So we have the point

.

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Now let's make a table of the values we just found.

Table of Values:



x y
-4 -7
-3 -12
-2 -15
-1 -16
0 -15
1 -12
2 -7

Now let's plot the points:

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Graph:

Now draw a curve through all of the points to graph :

Graph of
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