$f(x) = -16x^2+ 64x + 80\\\\f(x) = -16(x^2- 4x) + 80\\\\f(x) = -16(\underline {x^2-2\cdot2x\cdot2+2^2}-2^2) + 80\\\\f(x) = -16\big[(x-2)^2-4\big] + 80\\\\f(x) = -16(x-2)^2+64 + 80\\\\\bold{f(x)=-16(x-2)^2+124\quad\implies\quad h=2\,,\quad k=124}$

<u>The vertex is </u><u>(2, 124)</u>

7 0

3 years ago

14n = -126<br> Need Hell ASAP<br> Algebra Quiz

sweet-ann [11.9K]

14n=-126

/14 /14 divide by 14 on both sides of the

equation

n=-9

5 0

2 years ago

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What is 5.37 as a mixed number.

bezimeni [28]

$5\frac{37}{100} = \frac{537}{100}$

3 0

3 years ago

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22 gallons of gas cost $65.56. What is the unit rate for 1 gallon of gas?

Vika [28.1K]

It’s 2.98 explanation:you divide $65.56 and 22.

4 0

3 years ago

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