Review Systems, Stats, Inequalities and Functions

Review Systems, Stats, Inequalities and Functions

Multiple Choice

The following data shows the amount of points a basketball team scored over a season.

48, 52, 55, 60, 41, 50, 56, 55, 49, 63

During the playoffs, the team scored 70, 40, 68, 65, 41 points. What would happen to the data distribution by adding these scores?

• The data distribution would become less peaked and more widely spread.

• The data distribution would become more peaked and more widely spread.

• The data distribution would become more peaked and less widely spread.

• The data distribution would become less peaked and less widely spread.

Multiple Choice

• 0.965 strong positive

• -0.982 strong negative

• 0.965 weak positive

• -0.982 weak negative

Multiple Choice

Using the line of best fit, predict how many students will bike to school in 2020.

A) 24 B) 28 C) 31 D) 33

• A

• B

• C

• D

Multiple Choice

The sum of two numbers 49. The difference of the two numbers is 15. What is the product of the two numbers?

• 17

• 32

• 255

• 544

Multiple Choice

Bessie purchased 4 bags of chips and 3 hotdogs for $6.80. Milton purchased 2 bags of chips and 4 hotdogs for $6.40. What is the price of a hotdog?

• 0.80

• 1.20

• 0.50

• 2.50

Multiple Choice

The spring musical sold student tickets for $8 and adult tickets for $10. There were 130 tickets sold for a total of $1198. How many student tickets were sold?

• 79

• 65

• 51

• 33

Multiple Choice

Which of the following points is a solution to the inequality below? y<1/2x-1

A. (-5,4)

B. (4,1)

C. (-4,-5)

D. (-4, 5)

• A

• B

• C

• D

Multiple Choice

Which statement best describes the equation y = A(1.37)^x , where A represents the initial value and x represents time in years?

• y represents a function with an exponential decay of 137%.

• y represents a function with an exponential decay of 37%.

• y represents a function with an exponential growth of 37 %.

• y represents a function with an exponential growth of 1137%

Multiple Choice

Use the function below to answer the question. F(x) = 0.05x²+9.5x -200

What is the value F(-2).

A. -218.8

B. -180.8

C. 181.2

D. 219.2

• A

• B

• C

• D