
Exploring Linear Functions and Best Fit Lines

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
+2
Standards-aligned

Ethan Morris
FREE Resource
Standards-aligned
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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