Question

Which of the following is the solution set of the radical equation?
3=$\sqrt{x+1}$
a. (9,2)
b. (-9)
c. (2)
d. (8)

Answer 1

Answer:

d. (8)

Step-by-step explanation:

3 = √(x + 1)

3 = √(8 + 1)

3 = √9

3 = 3

Answer 2

Answer: D
square the expression to get rid of the root, so you will get:
9= x+1
x=8