Algebra I: Variables (Level 2 of 2)

The video tutorial covers evaluating true or false statements by simplifying expressions, simplifying numerical expressions using parentheses, and evaluating expressions with variables by substituting values. It concludes with a preview of the next video, which will focus on simplifying expressions with and without grouping symbols.

Which of the following statements is true based on the simplification process?

• 7 times 5 equals 20 plus 10

• 3 plus 3 equals 3 times 3

• 8 divided by 1 equals 1 divided by 8

• 4 times 0 equals 0 times 6

What is the result of simplifying the expression 8 minus 3 plus 3?

• 5

• 6

• 7

• 8

If x equals 1, y equals 2, and z equals 3, what is the value of 5x?

• 1

• 5

• 10

• 15

How do you evaluate the expression x times y when x equals 1 and y equals 2?

• 4

• 1

• 2

• 3

What is the result of 3y minus 6 when y equals 2?

• 0

• 6

• 4

• 2

What is the simplified result of 1/2 times the quantity z minus x when z equals 3 and x equals 1?

• 0

• 1

• 2

• 3

What is the final result of simplifying the expression 8 plus 9xy when x equals 1 and y equals 2?

• 28

• 26

• 18

• 16