Linear Equations Unit Review

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Mathematics

•

7th - 8th Grade

•

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Amber Dunn

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8 Slides • 22 Questions

Linear Relationships Unit Review

Test is Thursday October 20th!

Graphing:

Vertical

Horizontal OR

RISE

RUN OR

How do you find slope?

Between two points.

Distance in y

Distance in x

*You can always create a table to help you!*

Some text here about the topic of discussion.

How do you find slope?

Table.

Find the distance between the y coordinates and the x coordinates.

Make sure to decided if they are positive or negative.

Some text here about the topic of discussion.

How do you find slope?

Don't forget about the Types of Slope!

Multiple Choice

What type of slope is pictured?

Zero

Horizontal

Negative

Positive

Multiple Choice

What type of slope is pictured?

Horizontal

Zero

Positive

Undefined

Multiple Choice

Give the slope of the graph pictured.

3/4

-3/4

-1/2

1/2

Multiple Choice

What is the slope of the line?

5/2

2/5

-5/2

undefined

Multiple Choice

Find the slope given the points:

(-3, 4) and (-2, 6)

-2

-5/2

Multiple Choice

Given the points find the slope (0, 4) and (4,4)

undefined

Multiple Choice

Given the table what is the slope.

-8

-2

Multiple Choice

Given the table what is the slope.

-3/2

3/4

-2/3

x- intercept is where the line crosses the x axis. (x, 0)

y-intercept is where the line crosses the y-axis. (0, y)

Reminder we use y-intercept to create lines.

What are x and y-intercepts?

Multiple Choice

Identify the x-intercept.

(0,6)

(6,0)

(0,3)

(4,1)

Multiple Choice

Identify the y-intercept.

(3,0)

(0,-3)

(4,1)

(0,3)

Equation: y=mx+b

Where m is the slope and b is the y-intercept.

Find the slope and y-intercept and replace with the value.

Remember if it is through the origin no b is necessary.

Writing an equation.

Multiple Choice

In the equation y=6x + 2 the slope and y-intercept are?

m=2

b= (0,-2)

m=6

b= (0,2)

m= 2

b= (0,6)

m= 3

b= (2,0)

Multiple Choice

Which equation matches a slope of -5 and a y-intercept of (0, -3)?

y=-3x - 5

y= -3x + 5

y=-5x-3

y=-5x+3

Multiple Choice

Select the correct equation for the graph!

y=8/3x +4

y=-8/3x - 4

y=-8x

y=-8/3x+4

Multiple Choice

Find the equation of the line.

y=-2x-2

y=2x + 4

y= 3x + 2

y = 2x - 4

Multiple Choice

Find the equation of the line! (Remember HOY VUX!)

y=x - 2

y=-2

x=-2

y=-2x

Multiple Choice

Find the equation of the line.

y=-2

y=-2x

x=2

x=-2

Multiple Choice

Match the equation to the following scenario. Mark borrowed 20 dollars from his brother. Every week he returns 4 dollars. How many weeks will it take him to pay back the debt?

20= -5x

y=-4x + 20

y= -4x - 20

y = -5x + 20

Multiple Choice

Match the equation to the following scenario. Mark borrowed 20 dollars from his brother. Every week he returns 4 dollars. How many weeks will it take him to pay back the debt?

3 weeks

4 weeks

10 weeks

5 weeks

-The (x,y) values must make a true statement when substituted into the equation.

-Always written in Coordinate form (x,y).

Solutions to Linear Equations.

Multiple Select

In the equation 4x + 2y = 10 select all possible solutions.

(0, 5)

(2, 1)

(3, -1)

Multiple Select

Find solutions to the equation: 2x - 3y = 20.

(4, -4)

(7,-2)

(0,0)

(10,12)

Multiple Select

When reading graphs it is important to look for?

axis labels

axis units

unit rate

silver linings

Multiple Select

I feel like I am going to get a ___________ on my test.

A, I am confident and I have mastered the material.

B, I understand but need to ask just a few more questions.

C, I have a idea, but need more practice.

D or F, these concepts make no sense and I need a lot of help.

Linear Relationships Unit Review

Test is Thursday October 20th!

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Linear Equations Unit Review

Linear Relationships Unit Review

​Don't forget about the Types of Slope!

Linear Relationships Unit Review

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Don't forget about the Types of Slope!