Equations Vocabulary rEDO

Equations Vocabulary

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Term

• a constant, variable or coefficients with a constant; usually separated by addition or subtraction

• example: -3x + 5 - 2x = 3

Multiple Choice

How many terms are in the following expression?

$$2x+5-3y$$

• 2

• 3

• 4

• 5

Variable

• a symbol used to represent an unknown value (usually a letter)

• example: a, x, etc.

Multiple Choice

How many variables do you see in the expression below?

$$2x+3y-5+6z$$  

• 3

• 4

• 7

Constant

• a number that stands alone; usually added or subtracted

• example: 3x + 7 (seven is the constant)

Multiple Select

Which of the following are considered constants in the expression below? Check all that apply (you will choose more than one)

$$4x+2-7y+7-5$$  

• 4

• 2

• -7

• 7

• -5

Coefficient

• the number in front of a variable that means to multiply

• example: 3x (three is the coefficient)

Multiple Select

What are the coefficients in the expressions below? Check all that apply.

$$-2x+6+4z+3$$  

• -2

• 6

• 4

• 3

Expression

• a mathematical statement that does not have an equal sign

• example: 5x + 3

Multiple Choice

Which of the following is an expression?

• 2x + 5 = 10

• 4 = 2x - 1

• 2x - 5

• 1.5x + 7 = 12

Equation

• a mathematical statement that does have an equal sign

• example: 3x + 5 = 8

Multiple Select

Check every mathematical statement that is considered an equation.

• 7x + 7 = 21

• 1.75x + 6

• 24x - 4

• 3x + 4 = 19

Operations

• addition, subtraction, multiplication and division

Like Terms

Multiple Choice

Which terms can be combined in the following expression?

$$3y+2x-7y+6z-2$$

• 3y and 2x

• -7y and 6z

• 3y and -7y

• 2x and -2

Combining Like Terms

Multiple Choice

Simplify the following algebraic expression by combining like terms.

$$4h+3f+3h-2f$$  

• 7h + f

• 7h + 5f

• 8h

• 8f