Exploring Linear Functions and Best Fit Lines

Exploring Linear Functions and Best Fit Lines

Assessment

Interactive Video

Mathematics

9th - 12th Grade

Practice Problem

Hard

CCSS
8.EE.B.5, 8.EE.B.6, 8.EE.C.8C

+2

Standards-aligned

Created by

Ethan Morris

FREE Resource

Standards-aligned

CCSS.8.EE.B.5
,
CCSS.8.EE.B.6
,
CCSS.8.EE.C.8C
CCSS.HSS.ID.B.5
,
CCSS.8.F.A.3
,

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the standard form of the equation used when both the slope and y-intercept are known?

y = mx - b

y = mx + b

y = m/x + b

y - y1 = m(x - x1)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which form is used when the slope and a single point on the line are known, but not the y-intercept?

Slope-intercept form

Standard form

Point-slope form

Two-point form

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the slope if only two points are given?

None of the above

Multiply the y-values and divide by the product of x-values

Add the y-values and divide by the sum of x-values

Subtract the y-values and divide by the difference in x-values

Tags

CCSS.8.EE.B.5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equation form used when the slope and a point are known, but not the y-intercept?

y = mx + b

y - y1 = m(x - x1)

x = my + b

y = m(x - x1) + y1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the slope calculated using two points?

None of the above

(y2 + y1) / (x2 + x1)

(x2 - x1) / (y2 - y1)

(y2 - y1) / (x2 - x1)

Tags

CCSS.8.EE.B.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the babysitting fees problem, who charges more per hour?

Kelly

It depends on the number of hours

Kim

Both charge the same

Tags

CCSS.8.EE.B.5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After how many hours will Kelly and Kim's babysitting fees be the same?

2 hours

4 hours

8 hours

6 hours

Tags

CCSS.8.EE.C.8C

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