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antoniya [11.8K]
3 years ago
8

Simplify using perfect squares or factor trees. Show your work.

Mathematics
1 answer:
miv72 [106K]3 years ago
4 0
(√5)²=5

Let me know if you need more information.
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2 years ago
the vertex of this parabola is at (3,-2). When the x-vaue is 4, the y-value is 3. What is the coefficient of the squared express
bixtya [17]
<h3>Answer:   5</h3>

=========================================================

Explanation:

Vertex form is

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

We are told the vertex is (3,-2), so we know (h,k) = (3,-2)

y = a(x-h)^2 + k will update to y = a(x-3)^2 - 2

--------

Then we also know that (x,y) = (4,3) is a point on the parabola. Plug those x and y values into the equation and solve for 'a'

y = a(x-3)^2 - 2

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a = 5

This is the coefficient of the x^2 term since the standard form is y = ax^2+bx+c.

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