__Questions 1:__

Find, if possible, the slope of the line through the points (1/2 , 3/4) and (-1/3 , 5/4).

__Questions 2:__

Find, if possible, the slope of the line through the points (2 , 5) and (-4 , 5).

__Questions 3:__

Find, if possible, the slope of the line through the points (-9 , 4) and (-9 , -2).

__Questions 4:__

Line L passes through the points (4 , -5) and (3 , 7). Find the slope of any line perpendicular to line L.

__Questions 5:__

Find the slope of the line given by it equation: 2 x + 4 y = 10.

__Questions 6:__

Write an equation, of the slope intercept form, of the line passing through the points (2 , 3) and (4 , 6).

__Questions 7:__

Write an equation, in the slope intercept form, of the line with an x-intercept at (3 , 0) and a y-intercept at (0 , -5).

__Questions 8:__

Write an equation, in the slope intercept form, of the line with slope -2 and passing through the point (-4 , -5).

__Questions 9:__

Write an equation of the vertical line through the point (3 , 0).

__Questions 10:__

Write an equation of the horizontal line through the point (7 , -5).

__Questions 11:__

Find an equation of the line through the points (-3 , 5) and (9 , 10) and write it in the standard form Ax + By = C, with A > 0.

__Questions 12:__

Find an equation of the line parallel to the line 3x + 6y = 5 and passing through the point (1 , 3). Write the equation in the slope intercept form.

__Questions 13:__

Find an equation of the line perpendicular to the line 3x + 6y = 5 and passing through the point (1 , 3). Write the equation in the standard form.

__Questions 14:__

Write the equation of the line parallel to the line x = 5 and passing through the point (3 , -10).

__Questions 15:__

Write the equation of the line perpendicular to the line x = 2 and passing through the point (2 , -8).

__Questions 16:__

Write the equation of the line passing through the midpoint of the line segment defined by the points (2 , 8) and (0 , 4) and perpendicular to the line whose equation is given by -3x + 6y = 5.

__Questions 17:__

Are the lines with equations 2x - 3y = 8 and -x + 4y = 2 parallel, perpendicular or neither?

__Questions 18:__

Are the lines with equations 2x = 8 and -3y = 15 parallel, perpendicular or neither?

__Questions 19:__

What is the point of intersection of the lines with equations x = 7 and y = -9?

__Questions 20:__

Rewrite the equation |y| = |x| as two equations of two lines.

**ANSWERS TO ABOVE QUESTIONS**

1) - 3 / 5

2) 0

3) undefined

4) 1 / 12

5) - 1 / 2

6) y = (3 / 2) x

7) y = (5 / 3) x - 5

8) y = - 2 x - 13

9) x = 3

10) y = -5

11) 5x - 12 y = - 75

12) y = (-1 / 2) x + 7 / 2

13) y = 2x + 1

14) x = 3

15) y = -8

16) y = -2x + 8

17) Neither

18) Perpendicular

19) (7 , - 9)

20) y = x and y = - x

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