Proportional Graphs and Slope

Presentation

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Mathematics

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7th - 8th Grade

•

Medium

•

CCSS

8.EE.B.5, 7.RP.A.2D, 7.RP.A.2C

Standards-aligned

SAMUEL BEARD

Used 11+ times

FREE Resource

8 Slides • 8 Questions

Proportional Graphs and Slope

LET'S REVIEW

Slope is the STEEPNESS of a line.

It helps us make predictions and understand proportional relationships.

What is slope?

Identifying Slope of a Line

Slope can tell us the direction of the line!
Refresh yourself of the 4 types of slope using the picture to the right:

Multiple Choice

What type of slope?

zero slope

undefined

negative

positive

Multiple Choice

What type of slope?

positive

negative

zero

undefined

Multiple Choice

What type of slope?

undefined

positive slope

negative slope

zero slope

Multiple Choice

Find the slope of the line below using rise/run.

$\frac{2}{3}$

$\frac{3}{2}$

$\frac{1}{3}$

Multiple Choice

Find the slope of the line below using rise/run.

$\frac{1}{2}$

$\frac{2}{1}$

Proportional Graphs

They are in the shape of a straight line.
They start or cross at the point of origin.

Constant of Proportionality Equation

(Also known as UNIT RATE)

y = k x

where "k" is the constant of proportionality

y = 3x

3 is the C.O.P.

Multiple Choice

Is the graph proportional or non-proportional?

Proportional

Non-Proportional

Multiple Choice

Is the graph proportional or non proportional?

proportional

non proportional

Multiple Choice

What is the formula for a proportional relationship?

y=kx

z=ykx

y=ky

Independent Work:

Graph Proportional Relationships
Interpret Graphs from Proportional Relationships
Proportional Relationships: complete the table and Graph

Some text here about the topic of discussion.

Independent Work

Proportional Graphs and Slope

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