SOLUTION: If y = x² - 5x + 3 is expressed in the form y = p(x + q)² + r, where p, q and r are constants, find (q + r).

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Question 1145733: If y = x² - 5x + 3 is expressed in the form y = p(x + q)² + r, where p, q and r are constants, find (q + r).
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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y = x² - 5x + 3
Express as y = p(x + q)² + r,
find (q + r).
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Do you understand that p=1?

y=x%5E2-5x%2B%285%2F2%29%5E2-%285%2F2%29%5E2%2B3
%28x-5%2F2%29%5E2-25%2F4%2B3
%28x-5%2F2%29%5E2-25%2F4%2B12%2F4
%28x-5%2F2%29%5E2-13%2F4
Compare this to:
%28x%2Bq%29%5E2%2Br
...
and then you can evaluate q+r.