Algebraeasy · Past Paper
Which term must be added to x^2 + 6x to make it a perfect square?
A3
B6
C9
D36
✓ Correct Answer: C — 9
To complete the square for x^2 + bx, add (b/2)^2. Here (6/2)^2 = 9.
Share this question
✓ Correct Answer: C — 9
To complete the square for x^2 + bx, add (b/2)^2. Here (6/2)^2 = 9.
Share this question