
Line and Curve of Best Fit

Quiz
•
Mathematics
•
9th - 12th Grade
•
Easy
+11
Standards-aligned
Pamela Lohmuller
Used 16+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
find line of best fit using calculator through these points (0,0)(1,2) (3,5) (6,7)
y=65x+7
y=1.14x+.64
y=1.5x+64
Tags
CCSS.HSA.CED.A.2
CCSS.HSS.ID.B.6
CCSS.HSS.ID.C.7
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Caroline weighs her new puppy every month to see how much it has grown. If age is a and weight is W, which of these is the correct equation for the line of best fit?
W = 3.6 + 8.9
W = 3.6a + 8.9
a = 8.9W + 3.6
W = 8.9a + 3.6
Tags
CCSS.HSA.CED.A.2
CCSS.HSF.BF.A.1
CCSS.HSF.LE.A.2
CCSS.HSS.ID.B.6
CCSS.HSS.ID.C.7
3.
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
4.
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
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calculate the Curve of Best Fit for this table of values:
y = 2x2 - 9x + 10
y = 3x2 + 9x - 10
y = 3.1x2 - 9.2x - 10.3
y = 2.1x2 - 8.6x + 10.1
Tags
CCSS.HSA.CED.A.2
CCSS.HSA.REI.C.7
CCSS.HSA.REI.D.10
CCSS.HSF.IF.B.4
CCSS.HSF.IF.C.7
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tags
CCSS.HSF.IF.B.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Look at the data in this table.
Which equation most closely represents the line of best fit for this data?
Tags
CCSS.8.EE.B.5
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