Which of the following is the best estimate of 694 divided by 4. A. 150 B. 180 C. 210 D.280
2 answers:
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Put the equation into the form y = ( x − h )^2 + k
Given equation is
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
We got the equation in vertex form