Math Quiz

Simplify the expression: ( x + 2x + x + x + x + x = ) _______.

Tags

CCSS.7.EE.A.1

Choose the algebraic expression to represent: 'A number decreased by 8'. Use the letter n for the variable.

• n + 8

• n - 8

• 8 - n

• 8n

Tags

CCSS.6.EE.A.2A

Graphing Inequalities on a Number Line: Graph x >= -2.

Tags

CCSS.6.EE.B.8

Simplify the expression: m + m + m

• 3m

• m

• 2m

• 4m

Tags

CCSS.7.EE.A.1

Graph x >= -2.

Tags

CCSS.6.EE.B.8

Jamie buys 3 snacks and 2 bottles of juice. Each snack costs $0.75, and each bottle of juice costs j dollars. The total cost of the snacks and bottles of juice is $6.75. Which of the following equations could be used to find the cost of a bottle of juice, in dollars?

• 0.75 + 2j = 6.75

• 2.25 + 2j = 6.75

• 3(0.75 + 2j) = 6.75

• 5(0.75 + j) = 6.75

Tags

CCSS.HSA.CED.A.3

Which expression is equivalent to 2 (x – 3) + 4x + 3?

• 6x

• 6x – 3

• 3x

• -2x + 3

Tags

CCSS.6.EE.A.4

Solve the inequality and graph the solution. 3 (2 + x) < 2 (3 – x) – 25

Part A: A phone company charges a monthly rate of $12.95 and $0.25 a minute per call. The bill for m minutes is $21.20. Write an equation that models this situation.

Simplify: -(8 - m)

• m - 8

• -8 - m

• 8 - m

• m + 8

Tags

CCSS.7.EE.A.1