solving equation

Question

omplete the square for  . Then write the resulting expression as the square of a binomial.

a.	;	c.	;
b.	;	d.	;

 

Answer 1

If a quadratic is ax² + bx + c, then to complete the square, find (b/2) which for us is (-6/2 = -3) and then square it (-3)² = 9. So the number 9 goes in the box. The resulting square of a binomial is [ x+(b/2) ]² or for us (x - 3)²