``solve: sqrt (r - 1) + 5 = 2
a) (10)
b) (8)
c) (50)
d) none or 0''.
a
Correct.
thanks jen
To solve the equation sqrt(r - 1) + 5 = 2, we need to isolate the square root term and then solve for r.
Step 1: Subtract 5 from both sides of the equation:
sqrt(r - 1) = 2 - 5
sqrt(r - 1) = -3
Step 2: Since the square root cannot be negative, the equation has no real solution.
Therefore, the answer is d) none or 0.