Four equivalent forms of a quadratic function are given. Which form displays the zeros of function h?

Mathematics

2 answers:

galina1969 [7]4 years ago

8 0

A). because the roots are shown. The roots of this quadratic function would be x=2, and x=-2

leonid [27]4 years ago

4 0

Answer:

A. h(x) = -4(x − 2)(x + 2)

Step-by-step explanation:

It's easiest to obtain roots from the factorize form

h(x) = -4(x − 2)(x + 2) = 0

x = 2, -2

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artcher [175]

Length of rectangle = 5 less than 2x width
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Equations we will use...
w = width
(2w - 5) = length (l)
perimeter (p) = 2(l + w)

Substitute equation for length into equation for perimeter
p = 2(l + w)
146 = 2((2w - 5) + w) [use distributive prop.]
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Now substitute width back into the equation for length...
l = 2w - 5
l = 2(26) - 5
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Double check to make sure values added up to 146 cm
w + w + l + l = 146
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