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How do you write 3x2+2.4x in the form a(x+p)2+q and state the value of a, p and q?

 Feb 29, 2020
 #1
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Expand a(x+p)2 + q as  ax2 + 2apx + ap2 + q

 

Compare with 3x2 + 2.4x term by term:

 

x2 term:  a = 3

x term:  2ap = 2.4

constant term: ap2 + q = 0

 

Use these three equations to find a, p and q.

 Feb 29, 2020

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