Parallel & Perpendicular Lines, and Slope

Parallel, Perpendicular, or Neither

Parallel and Perpendicular Slope

Write the Equation of a Line

Find the Slope

Throwbacks!

100

Are these Parallel, Perpendicular, or Neither:

y = 5x + 4 and y = -2/3x + 4.

What is Neither?

100

Which is the slope of a line parallel to the line ?

What is -7?

100

Write the equation of a line that has a slope of 2 and a y-intercept value of -3.

What is y=2x-3?

100

Find the Slope of line that contains these two points: ( 8, 0) and (9, -1).

What is -1?

100

Name an angle supplementary to .

What is ∠IQG?

200

Are these Parallel, Perpendicular, or Neither:

y = 5x + 4 and y = 5x - 4.

What is parallel?

200

What is the slope of a line parallel to y=-12x + 1?

What is -12?

200

Write the equation of a line that passes through the point (6, 9) and has a slope of -7. Your final answer should be in slope intercept form.

What is y = -7x+51?

200

Find the Slope of line that contains these two points: ( 2, 2) and (5, 9).

What is 7/3?

200

The endpoints of are Q (-9,5) and A (-4,4). What the coordinates of the midpoint of ?

What is (-6.5, 4.5)?

300

A line parallel to is _______________.
A) B)

C) D)

What is ?

CHOICE D

300

Which equation is parallel to?

A. B.

C. D.

What is ?

CHOICE D

300

Write the equation of the line that passes through points (1, 4) and (-5, 6) in slope intercept form. (Keep your answers as fractions)

What is y=-1/3x + 13/3

300

Find the Slope of line that contains these two points: ( 0, 0) and (-5, -1).

What is 1/5?

300

Using the same segment, , Q (-9,5) and A (-4,4), as in number 1, what is the length of segment to the nearest tenth?

What is 16.1?

400

What best describes the relationship between the lines with equations and ?

What is parallel?

400

Which is the slope of a line perpendicular to the line ?

What is 1/7?

400

Which is an equation of the line parallel to and passes through (-4, 0)?

What is ?

400

Find the Slope of line that contains these two points: ( 8, 8) and (6, 4).

What is 2?

400

If find the values of x, EF, and FG. The drawing is not to scale.

What is x = 11, EF = 8, FG = 20?

500

6) Consider the two equations: and . The lines represented by these equations are parallel. Which statement explains why this is true?

A) The coefficient of x in the two equations are the same because they have the same slope.

B) The coefficient of y in the two equations are the same because they have the same slope.

C) Both equations have two terms to the right of the equal sign.

D) The constants in the two equations are reciprocals and have opposite signs.

What is The coefficients of x in the two equations are the same because they have the same slope?

CHOICE A

500

Consider the two equations: and . The lines represented by these equations are perpendicular. Which statement explains why this is true?

A) The constants in the two equations are the same.

B) Both equations are written in slope-intercept form.

C) The coefficients of y in the two equations are the same because they have the same slope.

D) The coefficients of x in the two equations are reciprocals and have opposite signs.