Chapter 1

Question 1

Variable

Answer 1

a symbol and placeholder for an expression or a quantity that varies as an arbitrary or indeterminate object.

Question 2

What is the variable of this equation

3x+4=2

Answer 2

x

Question 3

Coordinate Plane

Answer 3

a two-dimensional plane formed by the intersection of a vertical line called the y-axis and a horizontal line called the x-axis

Question 4

Ordered Pairs

Answer 4

An ordered pair is a pair of numbers, (x,y) , written in a particular order. The ordered pair (x,y) is not the same ordered pair as (y,x)

Question 5

Like Terms

Answer 5

Terms whose variables (and their exponents such as the 2 in x2) are the same.

Question 6

Substitute

Answer 6

Putting a number where a letter is

ie. When if x = 5 then 3x+2 becomes 3(5)+2

Question 7

Algebraic Expression

Answer 7

A mathematical phrase that can include numbers, variables, and operation symbols. Sometimes called variable expressions

Question 8

Equation

Answer 8

A mathematical sentence that uses an equal sign

Question 9

Exponent

Answer 9

Tells how many time the base is used as a factor

Question 10

Base

Answer 10

The repeated factor of a number written in exponential form

Question 11

Power

Answer 11

The base and exponent combined

Question 12

Evaluate

Answer 12

To replace a variable with the number given

Question 13

Coefficient

Answer 13

a numerical or constant quantity placed before and multiplying the variable in an algebraic expression

Question 14

Constant

Answer 14

A number that has no variable

Question 15

Reciprocal

Answer 15

Two numbers whose product is 1