Expressions

What is the value of the expression 2(3n-15) when n=14?

• 27
• 54
• 69
• 99

Which of the following describes the number 6 in the equation 6z=12

• Term
• Variable
• Coefficient
• Constant

Matt took p pictures on a class field trip. Alicia took 18 pictures. Jose took twice as many pictures as both Matt and Alicia. Which expression represents the number of pictures Jose took on the field trip?

• p+18
• 2p+18
• 18(p+2)
• 2(p+18)

Which expression represents "x cubed less than 7"? 

• x³ - 7
• 3x - 7
• 7 - x³
• 7 - 3x

The algebraic expression 6x - 4 can be written as which of the following? 

• x to the sixth power decreased by four
• The product of six and a number x decreased by four
• Six times a number x less than four
• four less than six

The quotient of x and 7, minus 4

• (x + 7) – 4
• x/7 – 4
• (x • 7) – 4
• 7x – 4

I open a saving account with $200 and plan to put $50 per month in the account.
Which expression represents this situation after x number of months?

• 200 + 50x
• 200x + 50
• 200 + x + 50
• 12x(50 + 200)

Factor this expression to create an equivalent expression: 100x - 70

• 20(5x - 4)
• 10(10x + 7)
• 10(10x - 7)
• 10(x - 70)

Use the distributive property to factor and rewrite the expression    20 + 28

• 5(4 x 5)
• 4(5 x 7)
• 4(5 + 7)
• 4(5 - 7)

Solve the following:
(2 + 7 - 1) ÷ 2²

• 16
• 2
• 4
• 8.75