line and curve of best fit
Authored by Sharon King
Mathematics
9th Grade
CCSS covered
Used 22+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a line of best fit used for?
Tags
CCSS.8.EE.B.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
find line of best fit through these points
(1,3) (2,4) (5,8)
y=1.27x+1.62
y=2x+7
y=1.7x+8
y=1.62x + 1.27
Tags
CCSS.8.EE.B.5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The height a toy rocket is above the ground is recorded for several times after it was launched. What is the coefficient of x2 in the curve of best fit equation?
-5.43
5.43
54.81
-2.43
Tags
CCSS.HSA.CED.A.2
4.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Which would best fit the following data:
{(-15, 53.5), (-14, 28), (-3, 18), (0, 4), (6, 27), (14, 50)}
Choose ALL correct answers.
Linear Regression
Quadratic Regression
Line of Best Fit
Curve of Best Fit
Tags
CCSS.HSA.CED.A.2
CCSS.HSS.ID.B.6
CCSS.HSS.ID.C.7
CCSS.HSS.ID.C.8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
find line of best fit through these points
(1,3) (2,4) (5,8)
y=1.27x+1.615
y=2x+7
y=1.7x+8
Tags
CCSS.HSA.CED.A.2
CCSS.HSS.ID.B.6
CCSS.HSS.ID.C.7
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Find the best fitting quadratic model for the data given.
y = 1.2x2 + 13x + 504.3
y = 12x2 + 13x + 504.3
y = .12x2 + 1.3x + 504.3
Tags
CCSS.HSA.CED.A.2
CCSS.HSA.REI.D.10
CCSS.HSA.SSE.A.1
CCSS.HSA.APR.A.1
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Using the quadratic curve of best fit, find the height of the ball when it traveled a distance of 10 feet.
12.8 ft
13.3 ft
11.1 ft
17 ft
Tags
CCSS.HSA.CED.A.2
CCSS.HSA.REI.D.10
CCSS.HSA.SSE.A.1
CCSS.HSF.IF.B.4
CCSS.HSA.REI.B.4
CCSS.HSF.IF.C.7
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