Graphing y = mx + b

Graphing y = mx + b

6th - 8th Grade

17 Qs

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Graphing y = mx + b

Graphing y = mx + b

Assessment

Quiz

Mathematics

6th - 8th Grade

Medium

CCSS
HSA.CED.A.2, 8.EE.B.5, 8.EE.B.6

+8

Standards-aligned

Created by

Mike Mason

Used 64+ times

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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

From the equation: y = -2x + 6 what is the slope of the line?

y

6

x

-2

Answer explanation

y = mx + b

m = slope

b = y-intercept

So...

y = -2x + 6

m = -2

Tags

CCSS.8.EE.B.5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

From the equation: y = -2x+6 what is the y-intercept of the line?

y

6

x

-2

Answer explanation

y = mx + b

m = slope

b = y-intercept

So...

y = -2x + 6

b = 6

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the y-intercept?

(5, 0)

(-5, 0)

(0, 5)

(0, -5)

Answer explanation

The y-intercept is where the graph crosses the y-axis.

Here the graph crosses the y-axis at (0, 5)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSS.ID.C.7

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Write the equation for the line in slope-intercept form.

y= -1x + 3

y= 4x + 3

y= -4x + 3

Answer explanation

y - intercept is (0,3), so your equation has to end in +3

The slope is positive

From the y-intercept you move down -4 and left -1

-4/-1 = 4

So

y = 4x + 3

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which equation represents this graph?

Answer explanation

y - intercept is -3 so your equation has to end in -3

Slope - move up 5 and left -1

So sope is 5/-1 or -5/1

y = -5x - 3

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Write the equation of the graph

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
Media Image
Media Image
Media Image

Answer explanation

You want a y-intercept of -1

Positive slope of 4

Move: up 4 and right 1 or down -4 and left -1

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

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