A1 Mod1 Vocab & Properties Check

A letter that represents an unknown number or a number that changes.

• Variable

• Exponent

• Coefficient

• Term

A math statement that includes numbers, operations, and one or more variables.

• Order of Operations

• Verbal Phrase

• Numerical Expression

• Algebraic Expression

Given the expression 3x, how should you evaluate it when x = 5 ?

• 3 mulitplied by 5 is 15

• 3 added to 5 is 8

• 3 next to 5 is 35

• It can not be evaluated

Given the expression 9y + 4, what is the COEFFICIENT?

• 9y

• 9

• addition

• 4

Given the expression 9y + 4, what is the CONSTANT?

• 9y

• 9

• addition

• 4

"Difference", "Decreased by", and "Fewer than" could be represented by which operation?

• Addition

• Subtraction

• Multiplication

• Division

"Quotient", "Shared equally", and "Ratio" could be represented by which operation?

• Addition

• Subtraction

• Multiplication

• Division

What is the ADDITIVE IDENTITY?

• the variable

• the opposite

• 0

• 1

What is the MULTIPLICATIVE IDENTITY?

• the variable

• the opposite

• 0

• 1

Which of the following are examples of ADDITIVE INVERSES?

• 0 and 10

• 10 and -10

• 10 and 1/10

• additive inverses

  don't exist