Parallel and Perpendicular Lines

Presentation

•

Mathematics

•

9th Grade

•

Practice Problem

•

Medium

•

CCSS

8.EE.B.5

Standards-aligned

Christopher Barrick

Used 9+ times

FREE Resource

12 Slides • 6 Questions

Parallel and Perpendicular Lines

Think

Consider the following equation.

f(x)=x

The equation does the following shift

3f(x)-2

What changes do you see?

Ink
f(x) = x 3f(x)-2

On Your Notecard write your thoughts.

Sentence Stems
f(x)=x is called the______________
The new graph will be ____________
The new graph will be shifted______________
The new equation is _________________________

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Today

The student will

Write an equation of a line that is parallel and/or perpendicular to a given line.

Parallel Lines

Have

THE SAME SLOPES

but different y-intercepts

Multiple Select

Which equations are parallel to the line y=5x-3?

Select 2 correct answers.

y=5x+7

$y=\frac{1}{5}x+1$

y=-5x

y-6=5(x+1)

Write the equation of the line

parallel to y=3x-4 and has a y-intercept of 5.

Math Response

Write the equation of the line parallel to y=3x-4 and has a y-intercept of 5.

Type answer here

Deg^°

Rad

Write the equation of the line

Dropdown

In point-slope form the equation would be

In slope-intercept form the equation would be

Perpendicular Lines

Have

OPPOSITE RECIPROCAL SLOPES

Match

Match the following slopes to their opposite reciprocal

$\frac{3}{4}$

$-7$

$-\frac{3}{2}$

$-\frac{1}{5}$

$-\frac{4}{3}$

$\frac{1}{7}$

$\frac{2}{3}$

Write the equation of the line

perpendicular to y=3x-4 and that has the same y-intercept

Math Response

Write the equation of the line that is perpendicular to y=3x-4 and has the same y-intercept.

Type answer here

Deg^°

Rad

Write the equation of the line

Dropdown

In point-slope form the equation would be

In slope-intercept form the equation would be

DOL

Parallel and Perpendicular Lines

Show answer

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