Input Output Table Quadratic
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate the quadratic regression function for this table of values to the nearest tenth.
f(x) =
2x2 - 9x + 10
f(x)=
3x2 + 9x - 10
f(x) =
3.1x2 - 9.2x - 10.3
f(x) =
2.1x2 - 8.6x + 10.1
2.
MULTIPLE CHOICE QUESTION
1 min • 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
3.
MULTIPLE CHOICE QUESTION
1 min • 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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What would the equation be that best fits this data?:
{(-15, 53.5), (-14, 28), (-3, 18), (0, 4), (6, 27), (14, 50)}
y = .17x2+.45x+12.43
y = .16x2+.45x+12.42
y = -.04x + 30
y = -.03x + 30
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using the curve of best fit, what would be the output (y) when the input (x) is 7?
260
240
140
320
6.
MULTIPLE CHOICE QUESTION
1 min • 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
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A scientist dropped an object from a height of 200 feet. She recorded the height of the object in 0.5-second intervals. Her data is shown.
Based on a quadratic model, which best approximates the height at 3 seconds?
52 feet
55 feet
65 feet
80 feet
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