Evaluating Expressions and Order of Operations Mastery

What does PEMDAS stand for?

• Product, Exponents, Multiplication, Division, Addition, Sequence

• Parentheses, Equations, Multiplication, Division, Addition, Subtraction

• Product, Exponents, Modulus, Division, Addition, Subtraction

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

What should be evaluated first according to the order of operations?

• Addition

• Multiplication

• Exponents

• Parentheses

In the expression '2 * (3 + 5)', what result do you get after solving the parentheses?

• 10

• 8

• 13

• 16

How do you interpret negative exponents in an expression?

• As multiplication

• As subtraction

• As addition

• As division

What is the result of the expression '3 * 4 - 2'?

• 10

• 14

• 12

• 6

If x = -2 and y = 3, what is the result of 'x * y'?

• -5

• -6

• 5

• 6

What does the expression '5 * (1 / -5)' evaluate to?

• 0

• 1

• -1

• -5

In the expression '2x - 3' for x = 4, what is the result?

• 2

• 11

• 8

• 5

What is the result of the expression '6z - y^2 + x + 2 / z' for z = -3, y = -2, x = 4?

• 24

• -24

• 22

• -22

How does changing the value of a variable affect the outcome of an algebraic expression?

• It always decreases the outcome

• It does not affect the outcome

• It may change the outcome depending on the operation

• It always increases the outcome