Translate, Evaluate, and Simplify Review

A number that does not change (it stands alone without any variable attached)

• constant

• coefficient

• variable

• term

In 8r - 3 , the COEFFICIENT is ___

• 8

• r

• -

• 3

What is the difference between an expression and equation?

• Expressions have an equal sign and equations do not have an equal sign
• Expressions do not have an equal sign and equations do have an equal sign
• There is not a difference
• Expressions do not have variables and equations have variables

Translate this phrase into an algebraic expression.

8 less than the product of 4 and a number

Use the variable m to represent the unknown number.

• 8 - 4m

• 8m - 4

• 8m + 4

• 4m - 8

How would you translate
x - 5 = 12 into words?

• x - 5 = 12
• The product of x and 5 is twelve
• x less than 5 is 12
• Five less than x is 12.

Translate the following:

"the product of a number and negative 8"

Evaluate the following expression:
-x - 6x + 10 when x = 5

• -20
• -25
• 25
• 20

Evaluate the following expression:
x² + 5 - x when x = 5

• 25
• 33
• 20
• 35

What is the value of x + y if x = 3 and y = 5?

• 8
• 5
• 3
• 2

Simplify the expression:

n - 10 + 9n - 3=

• -3
• 9n-3
• n
• 10n -13