Question

What number must you add to complete the square?

x^2 + 14x= -7
A.) 7
B.) 196
C.) 14
D.) 49

Answer 1

D. 49

Explanation:

When completing the square, you take the value after x^2 which is 14 and divide it by 2 which equals 7 for which you then square that number which 7 times 7 = 49