Question

What value of c makes x2 − 24x + c a perfect square trinomial?

−144
−48
48
144
Unsubs

Answer 1

x² - 24x + c

perfect square trinomial: a² + 2ab + c²
a² = x² ⇒ x * x
2ab = -24x ⇒ 2(-12)x
c² = (-12)² = 144

x² - 24x + 144

The value of c to create a perfect square trinomial is 144.

Answer 2

Answer:

144

Step-by-step explanation: