Box Plots — Cumulative exam

Question 1

What is the product?

Revolt · Accepted Answer

24 a squared minus 18 a b

Question 2

What is the vertex of the function f(x) = x2 + 12x?

Revolt · Accepted Answer

(–6, –36)

Question 3

Which function has real zeros at x = –8 and x = 5?

Revolt · Accepted Answer

g(x) = x2 + 3x – 40

Question 4

The data set represents the number of rings each person in a room is wearing.0, 2, 4, 0, 2, 3, 2, 8, 6What is the interquartile range of the data?

Revolt · Accepted Answer

4

Question 5

A road is made in such a way that the center of the road is higher off the ground than the sides of the road, in order to allow rainwater to drain. A cross-section of the road can be represented on a graph using the function f(x) = (x – 16)(x + 16), where x represents the distance from the center of the road, in feet. Rounded to the nearest tenth, what is the maximum height of the road, in feet?

Revolt · Accepted Answer

1.3

Question 6

Which term can be added to the list so that the greatest common factor of the three terms is 12h3?36h3, 12h6, __________

Revolt · Accepted Answer

48h5

Question 7

Solve x2 + 10x = 24 by completing the square. Which is the solution set of the equation?

Revolt · Accepted Answer

{–12, 2}

Question 8

The tile along the edge of a triangular community pool needs to be replaced.

Revolt · Accepted Answer

12x2 + 8x + 25

Question 9

The frequency table represents the results of a survey comparing the average age of household members to the way that they watch non-network television.Madigan converts the frequency table to a conditional relative frequency table by row.Television Viewing MethodWhich value should she use for X? Round to the nearest hundredth.

Revolt · Accepted Answer

0.30

Question 10

What is the midpoint of the x-intercepts off(x) = (x – 4)(x + 4)?

Revolt · Accepted Answer

(0,0)

Box Plots — Cumulative exam Answers

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