Algebraic and Numeric Expressions

Evaluate the following expression.

• 23

• 12

• 4

• 5

What is the coefficient in the following expression: 21x²

• 21

• x

• 2

• 12

Evaluate the expression a + b when a=8 and b=10

• 18

• 2

• 80

• 810

Choose the algebraic expression that matches the verbal phrase.

• A) x + y

• B) x - y

• C) x * y

• D) x / y

Simplify:

• -4x - 3

• x² - 3

• -4x² - 6x

• -4x - 6

Evaluate the expression 6z - 2t when z = 4 and t=3

• 41

• 1

• 12

• 18

Sarah has 6 more than 3 times as many strawberries as Juan.

What expression that matches the situation?

• 6 + 3x

• 3x

• 6 + 3

Sarah has 6 more than 3 times as many strawberries as Juan. What does the variable mean in this situation? Look above for the expression you choose.

• It means 21

• The amount of strawberries that Sarah and Juan have.

• The amount of strawberries that Juan has.

• The amount of strawberries that Sarah has.

Sarah has 6 more than 3 times as many strawberries as Juan. If Juan has 10 strawberries, how many does Sarah have?

• 12

• 16

• 46

• 36

What is 5 less than the product of 6 and s?

• 6s - 5

• 5 - 6s

• 5 + 6 - s

• 6 - s -5