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Finger [1]
2 years ago
10

Put the equation y = x^2 + 26 x + 160 into the form y = ( x − h )^2 + k :

Mathematics
2 answers:
KATRIN_1 [288]2 years ago
6 0

Put the equation y = x^2 + 26 x + 160 into the form y = ( x − h )^2 + k

Given equation is y = x^2 + 26 x + 160

We apply completing the square method

we take coefficient of middle term and then divide by 2  and then square it

coefficient of middle term is 26

Divide by 2, it becomes 13

then we square it (13)^2 = 169

Add and subtract 169

y = x^2 + 26 x +169 - 169 + 160

y = x^2 + 26 x +169 - 9

y = (x + 13)^2 - 9

We got the equation in vertex form

Alisiya [41]2 years ago
3 0

<u>Answer:</u>

<u>y = (x + 13)^2 - 9</u>

<u>Step-by-step explanation:</u>

To write the given quadratic equation in the form  y = ( x − h )^2 + k, we need to complete the square for the given equation.

y = x^2 + 26x + 160

Shift the constant to the left side of the equation:

y - 160 = x^2 + 26x

Divide the coefficient of x by 2 and add the square of the result to both sides of the equation:

26 / 2 = 13

So adding 13^2 to both sides of the equation to get:

y - 160 + (13)^2 = x^2 + 26x + (13)^2

y - 160 + 169 = (x + 13)^2

y + 9 =  (x + 13)^2

y =  (x + 13)^2 - 9

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In how many ways can a committee of four men and four woman be formed from a group of seven men and eleven women?
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