Chapter 3 Vocabulary

Question 1

arithmetic sequence

Answer 1

A numerical value that increases or decreases at a constant rate

Question 2

constant

Answer 2

An algebraic expression containing one variable ( monomial ) that is a real number

Question 3

constant of variation

Answer 3

the quantity “k’s” equation is of the form “y=kx”

Question 4

direct variation

Answer 4

the equation y=kx, when k does not equal 0.

Question 5

family of functions

Answer 5

graphs and equations of graphs that have at least one thing in common

Question 6

inductive reasoning

Answer 6

a conclusion drawn based on a pattern of results

Question 7

linear equation

Answer 7

the equation “Ax+By+C” that has a straight line on a graph

Question 8

parent function

Answer 8

the simplest of functions in a family

Question 9

rate of change

Answer 9

the way a quantity is changing given that there is a change in another quantity

Question 10

root

Answer 10

the solution of a quadratic equation

Question 11

slope

Answer 11

the ratio of the change in the y-coordinate ( rise ) to the corresponding change in the x-coordinate ( run ) as you move from one point on a line to another

Question 12

standard form

Answer 12

in the equation Ax + By = C, A is greater than or equal to 0, A and B are both not 0, and A, B, and C are integers with the greatest common factor of 1

Question 13

terms

Answer 13

the numbers in a sequence

Question 14

x-intercept

Answer 14

the x-coordinate of a point when it intersects the x axis

Question 15

y-intercept

Answer 15

the y coordinate of a point when it intersects the y axis

Question 16

zeros

Answer 16

located at the x intercept on a graph. Also known as the x intercept, solution, or root.