Algebra Concepts

A letter used to represent a number is called a(n)

• term

• expression

• equation

• variable

An expression which contains a variable is called a(n)

• numerical expression

• algebraic expression

• like terms

• evaluate

________ means to find the value of an expression

• solve

• numerical expression

• evaluate

• algebraic expression

________ means to find the value of the variable that makes an equation true

• solve

• evaluate

• numerical expression

• algebraic expression

Find the next three terms: 3, 5, 7, 9, ...

• 4, 6, 8

• 11, 13, 15

• 11, 15, 19

• 9, 11, 13

Find the next three terms in this pattern 4, 5, 7, 10...

• 11, 13, 17

• 13, 17, 21

• 14, 19, 25

• 14, 20, 27

Write an expression: the sum of 4 and x

• 4 + x

• 4x

• 14(x)

• 14 + x

Write an expression for the following: the product of 8 and y

• 8 + y

• 8y

• 8 / y

• y / 8

Write an expression for the following: the quotient of 20 and n

• n / 20

• 20 / n

• 20n

• n x 20

Write an expression for the following: the difference between r and 9

• r / 9

• r - 9

• 9 x r

• 9 - r