Ch. 1

Question 0

Algebraic expression

Answer 0

A math phrase that must contain at least one variable, one or more numbers, and at least one operation

Question 1

Variable

Answer 1

A letter that represents a number

Question 2

Substitute

Answer 2

Replace the variable in an expression with a number

Question 3

Evaluate

Answer 3

Substitute a number for each variable, then calculate

Question 4

Natural numbers

Answer 4

The numbers that are counted (1,2,3)

Question 5

Whole numbers

Answer 5

0,1,2,3

Question 6

GEMA

Answer 6

Grouping symbols
Exponents
Multiplication/ Division
Addition/ Subtraction

Question 7

Coefficient

Answer 7

Numerical value in front of a variable

Question 8

Term

Answer 8

Each part of an expression

Question 9

Addition terms

Answer 9

Add, plus, combine, sum, addend, more than, added to, increased by

Question 10

Subtraction terms

Answer 10

Subtract, minus, difference, less than, decreased by, diminished by, subtracted by

Question 11

Multiplication terms

Answer 11

Multiply, times, product, of, twice, double

Question 12

Division terms

Answer 12

Divide, quotient, divided among, divided into, ratio, per

Question 13

Equation

Answer 13

A mathematical sentence that includes an equal sign

Question 14

Three types of equations

Answer 14

True, False, Open (w/ a variable)

Question 15

Replacement set

Answer 15

A given set of numbers used to replace a variable

Question 16

Solution

Answer 16

A value for a variable that makes an equation true

Question 17

Solution set

Answer 17

All solutions to an equation

Question 18

Formula

Answer 18

An equation that shows a relationship between 2 or more variables. To calculate a formula, substitute the given values into the corresponding variables, then solve for the remaining unknown value.

Question 19

Area of a square formula

Answer 19

A=s^2

Question 20

Perimeter of a square formula

Answer 20

P=2l+2w

Question 21

Distance formula

Answer 21

D=rt

R=rate, t=time