Math, asked by Vivekkandel8267, 1 year ago

What value of c makes x2 + 6x + c a perfect square trinomial?

Answers

Answered by danielochich
24
The quadratic expression:

x² + bx + c is a perfect square if the square of half the coefficient of x equal c

That is, it is a perfect square if:

(b/2)² = c

In x² + 6x + c

c = (6/2)²

c = 3²

c = 9



Answered by Anonymous
14

Answer:

Step-by-step explanation:

The quadratic expression:

x² + bx + c is a perfect square if the square of half the coefficient of x equal c

That is, it is a perfect square if:

(b/2)² = c

In x² + 6x + c

c = (6/2)²

c = 3²

c = 9

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