Curve of Best Fit

Quiz
•
Mathematics
•
7th - 10th Grade
•
Medium
+8
Standards-aligned
Lauren Rhoton
Used 243+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is this called?
A graph
A scatter plot
A linear function
A curve of best fit.
Tags
CCSS.HSS.ID.B.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using the curve of best fit, what would be the output (y) when the input (x) is 7?
260
240
140
320
Tags
CCSS.HSA.CED.A.2
CCSS.HSA.REI.D.10
CCSS.HSF.IF.B.4
CCSS.HSF.IF.C.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When using Desmos to find the curve of best fit, what do I need to enter first?
y1 ~ ax12 +bx1 + c
the equation
the table/chart of values
the vertex
Tags
CCSS.HSF-IF.C.7A
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When finding the curve of best fit in Desmos, what do I do after I entered my table of coordinates?
plot the points
y1 ~ ax1 +b
y1 ~ ax12 +bx1 + c
do a little dance
Tags
CCSS.HSA.CED.A.2
CCSS.HSA.REI.D.10
CCSS.HSF.IF.B.4
CCSS.HSF.IF.C.7
CCSS.HSS.ID.C.7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If this is an equation for a curve of best fit, find the output (y) when the input (x) is 13:
y = 1.2x2 - 3.7x - 19
-51.5
135.7
154.7
183,8
Tags
CCSS.HSA.REI.B.4
CCSS.HSF.IF.A.1
CCSS.HSF.IF.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the following table of values, which column represents the input (x)?
Days
Money
Both Days and Money
Neither Days nor Money
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the graph, what would be in the output (7) when the input (x) is 6?
1125
850
700
600
Tags
CCSS.HSF.IF.A.2
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the following scatter plot, which equation best models the data?
(Hint: in this specific case, you don't really need Desmos)
y = -8.25x + 56
y = -8.25x2 + 56x
y = 8.25x2 + 56x
y = -8.25x3 + 56x
Tags
CCSS.HSA.CED.A.2
CCSS.HSA.REI.D.10
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