Linear Equations and Lines of Best Fit
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the equation of the line of best fit?
y = 0.83x + 0.98
y = 1.5x - 0.83
y = -0.9x + 1.02
y = 1.21x + 1.01
Tags
CCSS.8.EE.B.5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the slope? y = 2x + 3
2
3
4
5
Tags
CCSS.8.EE.B.5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the y-intercept? y = 1/4x + 10
1/4
10
1
4
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the y-intercept and use it to pick the correct linear equation.
y = 2x + 1.9
y = -3x + 4
y = 1.4x - 2.8
y = -x - 4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the y-intercept, use it to pick the correct linear equation:
y = - 0.007x + 14
y = - 0.007x + 34
y = - 0.007x + 1500
y = - 0.007x + 4100
Tags
CCSS.HSF.LE.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the y-intercept? Use it to pick the correct linear equation:
y = 5x + 45
y = 5x + 50
y = 5x + 55
y = 5x + 60
Tags
CCSS.HSF.LE.B.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of association is seen? Think slope!
positive
negative
none
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