Algebra Review Topics

The number before a variable is the _____.

• term

• constant

• coefficient

• variable

How is the number 9 best described in the expression
9m + 3n + 4

• coefficient

• variable

• constant

• term

Choose the algebraic expression that represents

"One-fourth of a number"

• 4n

• n + 4

Choose the algebraic expression that represents

"Four dollars cheaper than two times price n"

•  4 - 2n

•  2 (n - 4)

• 2n - 4

• 2n + 4

Translate: Six fewer than twice a number is four.

• 6 - 2x = 4

• 2x - 6 = 4

• x² - 6 = 4

• 6 - x² = 4

Translate the expression:

" Twice a number is at least 80 "

Which step contains an error?

• Step 1

• Step 2

• Step 3

• Step 4

• No Error

• Multiply both sides by 6. 

• Multiply both sides by 12. 

• Multiply both sides by 2. 

• Multiply both sides by 5. 

• Multiply both sides by 10. 

• Multiply both sides by 2. 

Which coordinate point is a solution to the system of inequalities?

• (o,o)

• (2,2)

• (1,-3)

• (4,-1)