The table shows the height of a tree for various years after it was planted. Using the line of best fit, how tall would the tree be 30 years after it was planted?
Line and Curve

Quiz
•
Mathematics
•
9th - 10th Grade
•
Hard
Barbara White
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
22 feet
23 feet
36 feet
37 feet
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The table shows the height of a tree for various years after it was planted. Using x = age, what is the slope of the line of best fit?
0.94
0.96
-6.77
8.47
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Caroline weighs her new puppy every month to see how much it has grown. Is this data best represented by a line or curve?
Line
Curve
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Caroline weighs her new puppy every month to see how much it has grown. Use the equation of best fit to predict how much her puppy will weigh after 1 year.
13 pounds
52 pounds
54 pounds
110 pounds
5.
MULTIPLE CHOICE QUESTION
2 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 of best fit?
W = 3.6 + 8.9
W = 3.6a + 8.9
a = 8.9W + 3.6
W = 8.9a + 3.6
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The height a toy rocket is above the ground is recorded for several times after it was launched. Is this data best represented by a line or curve?
Line
Curve
7.
MULTIPLE CHOICE QUESTION
2 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
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