2.2

Question 1

Linear Function

Answer 1

a function whose graph is a line

Question 2

Linear Equation

Answer 2

you can represent a linear function with a

Question 3

Dependent Variable

Answer 3

y is called the

Question 4

Independent Variable

Answer 4

x is called the

Question 5

Y-Intercept

Answer 5

the point at which the line crosses the y-axis

Question 6

X-Intercept

Answer 6

point at which the line crosses the x-axis

Question 7

Standard Form of a Linear Equation

Answer 7

Ax+By=C where A,B, and C are real numbers and A and B are not both zero

Question 8

Slope

Answer 8

the ratio of the vertical change to a corresponding horizontal change

Question 9

Point-Slope Form

Answer 9

form used when you know the slope and a point on a line

Question 10

Slope-Intercept Form

Answer 10

form used to find slope by examining the equation