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Lubov Fominskaja [6]
3 years ago
10

Can u help me with this algebra question

Mathematics
1 answer:
pashok25 [27]3 years ago
6 0
The parent function for quadratic equations is as followed:

y=a(bx-h)^2+k

where a for vertical stretches, b is for horizontal stretches, h is the x value of the vertex, and k is the y value of the vertex.

The vertex of the is (-3, -2), so we can write the first part of the equation:

y=a(bx+3)^2-2

To determine if the graph has any stretches, we can check how changes to the x coordinate affect the y value. If there  are no stretches, as the x coordinate moves away from the vertex, the y coordinate should be x^2 from the vertex. If we test with a couple points on the graph, wee see that this is true, so there are no stretches. The answer is:

y=(x+3)^2-2


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