Parallel & Perpendicular Lines

What is the best term to describe this image?

• intersecting lines
• perpendicular lines
• parallel lines
• arrows

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Write the equation of a line PARALLEL to y = 2x + 3 that passes through the point (3, 1).

• $y=2x\ -3$

• $y=2x-5$

• $y=2x\ +\ 1$

• $y=-\frac{1}{2}x+\frac{5}{2}$

Write the equation of a line PERPENDICULAR to y = -2x + 1 that passes through the point (2, 3).

• $y=-\frac{1}{2}x+\frac{1}{2}$

• $y=\frac{1}{2}x+2$

• $y=-2x+7$

• $y=-2x+8$

Write the equation of a line PERPENDICULAR to  $y=\frac{1}{3}x-9$  that passes through the point (-6, 10).

•  $y=\frac{1}{3}x-9$ 

•  $y=\frac{1}{3}x+10$ 

•  $y=-3x+6$ 

•  $y=-3x-8$ 

Write the equation of a line PARALLEL to 5x + 2y = 1 that passes through the point (-2, -3).

• $y=-\frac{5}{2}x-2$

• $y=-\frac{5}{2}x-8$

• $y=-\frac{5}{2}x+8$

• $y=\frac{2}{5}x+\frac{19}{5}$

Write the equation of a line PERPENDICULAR to 3x + y = 1 that passes through the point (3, -1).

• $y=\frac{1}{3}x$

• $y=\frac{1}{3}x-2$

• $y=-3x+8$

• $y=\frac{1}{3}x+\frac{10}{3}$

Write the equation of a line PERPENDICULAR to -2x + 5y - 3 = 0 that passes through the point (2, -3). 

•  $=-\frac{5}{2}x-\frac{11}{2}$  

•  $y=-\frac{5}{2}x+2$  

•  $y=-\frac{5}{2}x+8$  

•  $y=\frac{2}{5}x+\frac{19}{5}$   

Write the equation of a line PERPENDICULAR to  $y=\frac{1}{3}x-9$  that passes through the point (-6, 10).

•  $y=\frac{1}{3}x-9$ 

•  $y=\frac{1}{3}x+10$ 

•  $y=-3x+6$ 

•  $y=-3x-8$ 

What direction is an undefined slope?

• horizontal
• vertical

Tags

CCSS.8.EE.B.5

Are these two lines parallel, perpendicular or neither?
y = -1/3x - 5
y = 1/3x + 2

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.6