Question

Evaluate the given algebraic expressions replacing x with -2 and y with 1

3x^2

Answer 1

12

Explanation:

3x^2

because the information provided states that x = -2, that is what we are going to replace x with.

3(-2)^2

the next step is to evaluate the power because that is next in PEMDAS.

(-2)^2 = 4

that leaves us with:

3 * 4 = 12 ( the " * " represents the multiplication sign)

hope this helps!