Chapter 5 Review (Writing equations of lines)

Chapter 5 Review (Writing equations of lines)

Parallel lines have the ________slope.

What is the slope of the line parallel to the line

 $2x-3y=9$  

Multiple Choice

What is the slope of the line parallel to the line

 $7x-3y=15$  .

•  $m=\frac{7}{3}$  

•  $m=-\frac{7}{3}$  

•  $m=-\frac{3}{7}$  

•  $m=7$  

Write the equation of the line in slope intercept form that is parallel to

 $-x-3y=6$  and goes through the point (-9, 5). 

Multiple Choice

Write the equation of the line in slope intercept form that is parallel to $7y-3x=9$  and goes through the point (14,2).

•  $y=\frac{3}{7}x-8$  

•  $y=-3x+2$  

•  $y=-\frac{7}{3}x+2$  

•  $y=\frac{3}{7}x-4$  

Perpendicular line have _________ _________ slopes.

What is the slope of the line that is perpendicular to the line

 $y=6x-7$  .

Multiple Choice

What is the slope of the line that is perpendicular to the line  $y=-\frac{2}{3}x+4$  .

•  $m=-\frac{2}{3}$  

•  $m=-\frac{3}{2}$  

•  $m=\frac{3}{2}$  

•  $m=\frac{2}{3}$  

Write the equation of the line in slope intercept form that is perpendicular to the line 3x-2y=10 and goes through the point (-4, 5).

Multiple Choice

Write the equation of the line in slope intercept form that is perpendicular to  $9y-5x=17$  and goes through the point (3, -5). 

•  $y=\frac{5}{9}x+6$  

•  $y=-\frac{9}{5}x+\frac{2}{5}$  

•  $y=-\frac{9}{5}x-4$  

•  $y=\frac{9}{5}x+4$  

Special Cases

x=a and y=b

Write the equation of the line that is parallel to y=4 and goes through the point (5, -6).

Write the equation of the line that is perpendicular to x=-2 and goes through the point (7, -3)

Multiple Choice

Write the equation of the line that is parallel to x=-3 and goes through the point (5, 9).

• $x=9$

• $y=5$

• $y=9$

• $x=5$

Multiple Choice

1) The equation of the like y=8 is what type of line and has what type of slope?

2) The equation of the line x=-5 is what type of line and has what type of slope?

• 1) Vertical and a slope is zero

  2) Horizontal and the slope is undefined.

• 1) Horizontal and a slope of zero

  2) Vertical and the slope is undefined.

• 1) Vertical and a slope is undefined

  2) Horizontal and the slope is zero

• 1) Straight and slope is 1

  2) Straight and the slope is -5