WorksheetsQuadratic Predictions
Total questions: 8
Worksheet time: 2hrs 46mins
Name
Class
Date
1.
Find the quadratic equation for the relationship of the horizontal distance and the height of the ball.
a)
-18x2 + 2.11x + 4.21
b)
-.06x2 +1.06x + 7.9
c)
-6x2 +1.06x + 79
d)
-.12x2 + 2.11x + 4.22
2.
Find the height of the ball when it traveled a distance of 10 feet.
a)
12.8 ft
b)
13.3 ft
c)
11.1 ft
d)
17 ft
3.
Find the best fitting quadratic model for the data given.
a)
1.2x2 + 13x + 504.3
b)
12x2 + 13x + 504.3
c)
.12x2 + 1.3x + 504.3
4.
Find the population for 1975.
a)
623 thousand people
b)
650 thousand people
c)
599 thousand people
d)
513 thousand people
5.
Find the best fitting Quadratic model for the data
a)
-.26x2-17.3x+222.8
b)
-.26x2+22.59x+23.02
c)
2.6x2+22.9x+20.03
d)
2.6x2+2.3x+23.02
6.
What is the distance if the angle is 45 degrees?
a)
513 ft
b)
507 ft
c)
520 ft
d)
505 ft
7.
Calculate the quadratic regression function for this table of values to the nearest tenth.
a)
f(x) =
2x2 - 9x + 10
2x2 - 9x + 10
b)
f(x)=
3x2 + 9x - 10
3x2 + 9x - 10
c)
f(x) =
3.1x2 - 9.2x - 10.3
3.1x2 - 9.2x - 10.3
d)
f(x) =
2.1x2 - 8.6x + 10.1
2.1x2 - 8.6x + 10.1
8.
What is the y-value when the x-value is 5?
a)
18.6
b)
19.6
c)
17.6
d)
16.6
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