Question

1.What is the solution set for x^2=100

A.{10}
B.{-10}
C.{-10,10}
D.{100}

2. Which property will we need to use to solve the equation?
X-10=5

Answer 1

1)x=10

2)Substitution.

Explanation:

x^2=100

Take the square root of both sides.

The square root of x^2 is x

The square root of 100 is 10

So x=10

Answer 2

Question number 1) c
Question number 2) addition