Question

Evaluate (x−y)2, when x=10 and y=7.

Answer 1

Answer:

9

Step-by-step explanation:

(x-y)^2

Let x=10 and y=7

(10-7)^2

Inside the parentheses first

3^2

Then the exponent

9

Answer 2

Answer:

6

Step-by-step explanation:

1. Plug in for variables x & y

(10-7)2

2. solve for parantheses (B/c of PEMDAS)

(10-7)=3

3. Multiply by 2

3(2) =6

Your answer is 6 :)