9. Y = X2 + 8X +16 A. TWO RATIONAL REAL SOLUTIONS B. TWO IRRATIONAL REAL SOLUTIONS C. TWO IMAGINARY SOLUTION D. ONE REAL SOLUTION

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asked Apr 11, 2022 173k views

1 Answer

Xstian · Answer 1 · 2022-04-15T09:43:09+0000

Answer:

D

Explanation:

y = x² + 8x + 16 ← is a perfect square

y = (x + 4)²

To obtain the solutions equate to zero

(x + 4)² = 0 , then

x + 4 = 0 ( subtract 4 from both sides )

x = - 4 ← one real solution