Question

What is the value of x2 + 2y ÷ w + 3z for w = 2, x = 5, y = 8, and z = 3?

Answer 1

27

Explanation:

We substitute all the variables to get:

(5)2 + 2(8) ÷ 2 + 3(3)

We multiply everything to get

10 + 16 ÷ 2 + 9

Divide:

10 + 8 + 9

Add:

18 + 9

27

Answer 2

42

Explanation:

We plug in the given values into the equation:

The order of operations is:

Parentheses

Exponents

Multiplication & Division (whichever comes first)

Addition & Subtraction (whichever comes first)

`5^(2) +2(8)/2+3(3)`

`25+16/2+9`

Remember that division comes before addition

`25+8+9`

`42`