Free Printable FST 7.4 Assignment

1.

Find the QUAD 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)

-.18x² + 2.11x + 4.21

2.

Find the best fitting QUAD model for the data given.

a)

1.2x² + 13x + 504.3

b)

12x² + 13x + 504.3

c)

.12x² + 1.3x + 504.3

3.

A person travels by car. They record their miles driven in a data table. Calculate the LINEAR regression equation of this data.

a)

y = 61.93x - 1.79

b)

y = -1.79x + 61.93

c)

y = 0.016x + 0.03

d)

y = 0.03x + 0.016

4.

The LINEAR regression equation is y = 61.93x - 1.79. Use the equation to predict how far this person will travel after 10 hours of driving.

a)

10 miles

b)

617.5 miles

c)

0.19 miles

d)

500 miles

5.

A restaurant sells pizza for the prices in the data table. Calculate the LINEAR regression equation of the data.

a)

y = 1.5x + 12

b)

y = 12x + 1.5

c)

y = 0.67x - 8

d)

y = -8x + 0.67

6.

A person travels by car. They record their miles driven in a data table. Calculate the LINEAR regression equation of this data.

a)

y = 61.93x - 1.79

b)

y = -1.79x + 61.93

c)

y = 0.016x + 0.03

d)

y = 0.03x + 0.016

7.

Write the QUADRATIC regression

a)

$f\left(x\right)=192x^2-16x+0$

b)

$f\left(x\right)=-16x^2+192x+0$

c)

$f\left(x\right)=-4.9x^2+5x+19$

d)

$f\left(x\right)=3.37x^2-1.98x-7$

8.

Based on the table, which QUADRATIC function can best be used to model this situation?

a)

h(t) = 99t² + 858

b)

h(t) = -4.9t² + 295t + 0.6

c)

h(t) = -4.9t² + 295t + 2

d)

h(t) = 99t² + 1,470.3

9.

Write the cubic function to model this data

a)

2.5x^3 -0.0285x^2+1.129x + 5.293

b)

2.5x^3 - 2.85x^2 + 11.29x + 5.293

c)

0.00025x^3 -0.0285x^2+1.129x + 5.293

10.

What is the Equation that matches the data set?

a)

$f\left(x\right)=-5757.3x+2.9$

b)

$f\left(x\right)=-16x^2+7x-5$

c)

$f\left(x\right)=2.9x-5757.3$

d)

$f\left(x\right)=\left(1000\right)\left(0.7\right)^x$

11.

What is the coefficient of determination for the data characteristics shown?

a)

-.928

b)

.928

c)

.861

d)

-.861

12.

Using your graphing calculator determine coefficient of determination for the data in the table.

a)

.942

b)

0.888

c)

0.765

d)

0.222

13.

As shown in the table, a person's target heart rate during exercise changes as the person gets older. Use the graphing calculator to find the coefficient of determination.

a)

-0.999

b)

-0.664

c)

0.998

d)

1.503

FST 7.4 Assignment

Total questions: 13

Worksheet time: 3hrs 15mins

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