2.2 Linear Equations

Question 1

Linear Function

Answer 1

A function whose graph is a line

Question 2

Linear Equation

Answer 2

A solution of a linear equation is any ordered pair (x,y) that makes the equation true.

Question 3

Dependent Variable

Answer 3

The value of y depends on the value of x,y

Question 4

Independent Variable

Answer 4

x is called the independent variable

Question 5

y-intercept

Answer 5

Of a line is the point at which the line crosses the y-axis .

Question 6

x-intercept

Answer 6

Of a line is the point at which the line crosses the x-axis.

Question 7

Standard form of a linear equation

Answer 7

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

Question 8

Slope

Answer 8

Of a non vertical line is the ratio of the vertical change to a corresponding horizontal change.

Question 9

Point Slope Form

Answer 9

To write the equation of the line.

Question 10

Slope Intercept Form

Answer 10

Which you can use to find slope by examining the equation.