2.2 linear equations

Question 1

linear equation

Answer 1

a solution of a linear equation is any ordered pair that makes the equation true.

Question 2

linear function

Answer 2

a function whose graph is a line

Question 3

dependent variable

Answer 3

y value is called the dependent variable

Question 4

independent variable

Answer 4

x value is the independent variable

Question 5

y intercept

Answer 5

is the point at which the line crosses the y axis

Question 6

x intercept

Answer 6

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 abc are real numbers and a b are not both zero.

Question 8

slope

Answer 8

is the ratio of the vertical change to a corresponding horizontal change

Question 9

point-slope form

Answer 9

when you know the slope and a point on a line you can

use the point slope form to write the equation of the line.

Question 10

slope intercept form

Answer 10

ued to find slope by examining the equation