Question

Solve the equation by completing the square. If necessary, round to the nearest hundredth. q2 + 22q = –85

a. 25, -47
b. -5,-17
c. -5

Answer 1

–5, –17

Explanation:

(b2)2=(222)2q2+22q+121(q+11)2===121− 85+12136

q+11=6q=− 5ororq+11=− 6q=− 17

Answer 2

the answer is b im sure : )