Line of Best Fit and Linear Equations
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
Used 1+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the equation y=3x-5, what is the value of the y-intercept?
3
-5
-3/5
-2
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
617.51 miles
621.09 miles
100 miles
0.19 miles
Tags
CCSS.HSF.LE.B.5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a line of best fit used for?
To make predictions
To make the graph look pretty
To connect the points
To make it look like you know what you are doing
Tags
CCSS.8.EE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given that the slope is -4 and the y intercept is -4 what is the equation of the line?
y = 4x - 4
y = -4x - 4
y = -4
y = -4x + 4
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given that the slope is 2/3 and the y intercept is -3 what is the equation of the line?
y = 2/3x - 3
y = 2/3x + 3
y = -2/3x - 3
y = -2/3x + 3
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the slope and y intercept to write an equation of the line: y = -1/3x + 1
Slope: 1/3
y-intercept: 1
Slope: 1/3
y-intercept: -1
Slope: -1/3
y-intercept: 1
Slope: -1/3
y-intercept: 0
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the slope of the line that passes through the points (2, 4) and (6, 12)
1/2
-1/2
2
-2
Tags
CCSS.8.EE.B.5
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