Question

Solve for x, given the equation Square root of x plus 9 − 4 = 1.

x = 16, solution is not extraneous

x = 16, solution is extraneous

x = 34, solution is not extraneous

x = 34, solution is extraneous

Answer 1

the answer is a

Explanation:

x = 16, not extraneous

Answer 2

`√(x+9)-4=1 \\ √(x+9)=5`
x + 9 = 25
x = 25 - 9
x = 16
x + 9 ≥ 0
x ≥ - 9
Answer:
A ) x = 16, solution is not extraneous.