Linear Key Features

Presentation

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Mathematics

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9th Grade

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Practice Problem

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Medium

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CCSS

8.EE.B.5, 8.EE.B.6, 8.F.A.2

Standards-aligned

Jordan Coker

Used 21+ times

FREE Resource

5 Slides • 5 Questions

Key Features of Linear Functions

How to Identify and solve for x-intercepts, y-intercepts, and slope

Match

Match the following

The coordinate where the function crosses the x-axis. At this point, y=0.

The coordinate where the function crosses the y-axis. At this point, x=0.

Measure of how STEEP a line is, can be found using rise/run

Slope-intercept form

Standard Form

x-intercept

y-intercept

SLOPE

y=mx+b

Ax+By=C

Fill in the Blanks

Identify the y-intercept

$y=\frac{1}{2}x-7$

Write your answer as a number or a coordinate point.

Type answer...

Always start at your y-intercept.

Plot (0,-7) on the y axis

To Graph a Linear Function

Fill in the Blanks

Identify the slope

$y=\frac{1}{2}x-7$

Write your answer as a decimal or a fraction. Do not include m=

Type answer...

Start at your y-intercept, and use your slope to find the next point on the line!

For this point, we will go UP 1 and to the RIGHT 2.

m= 1/2

Connect your two points with a straight line.

Keep Going!

Multiple Choice

Which of the following equations has a y-intercept of 3 and a slope of 2/7?

$y=3x+\frac{2}{7}$

$y=\frac{2}{7}+3x$

$y=3+\frac{2}{7}x$

Reorder

Reorder the following lines from steepest to least steep

y=5x

y=4x+2

y= $\frac{3}{2}$ x-4

Key Features of Linear Functions

How to Identify and solve for x-intercepts, y-intercepts, and slope

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