Answer:
Step-by-step explanation:
x²-7 = 0 part 1 and part 2 : x = sqrt(7) or x = -sqrt(7)
Solve for x:
x^2 - 7 = 0
Add 7 to both sides:
x^2 = 7
Take the square root of both sides:
Answer: x = sqrt(7) or x = -sqrt(7)
The answer is D.
Explanation:
(70)^ 1/2 = 8.366600265
√70 = 8.36600265