For the line that passes through points (-4, 3) and (-2, 4).

1. Find the slope.2. Write the equation of the line in point-slope

form:3. Write the equation of the line in slope-

intercept form: 4. Write the equation of the line in standard

form: 5. What is the slope of the line parallel to it?6. What is the slope of the line perpendicular to

it?

1 1( )y y m x x

y mx b

Ax By C

For the line that passes through points (-4, 3) and (-2, 4).

1. Find the slope.4 3

2 ( 4)m

12

m

2. Write the equation of the line in point-slope form:1 1( )y xmy x

( )(3) (12

4)y x

12

( 4)3y x

( )(4) (12

2)y x

12

( 2)4y x

For the line that passes through points (-4, 3) and (-2, 4).

3. Write the equation of the line in slope-intercept form: y mx b

13 ( 4)

2y x

11

3 22

y x +3 +3

15

2y x

For the line that passes through points (-4, 3) and (-2, 4).

4. Write the equation of the line in standard form: (remember A, B, and C are integers)

5. What is the slope of the line parallel to it? 6. What is the slope of the line perpendicular to

it?

Ax By C 1

52

y x

2

2 10y x -x -x

2 10x y

1 slopes of parallel lines are the same.

2

2 slopes of perpendicular lines are opposite reciprocals.

Given the point (3, 7):7. Write the equation of the horizontal line passing

through it.

8. Write the equation of the vertical line passing through it.

9. What does the domain and range mean?