$$-2 x+3 y=6$$

In the $x y$ -plane, the graph of which of the following

equations is perpendicular to the graph of the

equation above?

$$\begin{array}{l}{\text { A) } 3 x+2 y=6} \\ {\text { B) } 3 x+4 y=6} \\ {\text { C) } 2 x+4 y=6} \\ {\text { D) } 2 x+6 y=3}\end{array}$$

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According to the line graph above, between which

two consecutive years was there the greatest change

in the number of $3-\mathrm{D}$ movies released?

$$\begin{array}{l}{\text { A) } 2003-2004} \\ {\text { B) } 2008-2009} \\ {\text { C) } 2009-2010} \\ {\text { D) } 2010-2011}\end{array}$$

Lily A.

Numerade Educator

Some values of the linear function $f$ are shown in the

table above. Which of the following defines $f ?$

$$\begin{array}{l}{\text { A) } f(x)=2 x+3} \\ {\text { B) } f(x)=3 x+2} \\ {\text { C) } f(x)=4 x+1} \\ {\text { D) } f(x)=5 x}\end{array}$$

Lily A.

Numerade Educator

To make a bakery's signature chocolate muffins, a

baker needs 2.5 ounces of chocolate for each muffin.

How many pounds of chocolate are needed to make

48 signature chocolate muffins?

$(1$ pound $=16$ ounces $)$

$$\begin{array}{cc}{\text { A) }} & {7.5} \\ {\text { B) }} & {10} \\ {\text { C) }} & {50.5} \\ {\text { D) }} & {120}\end{array}$$

Lily A.

Numerade Educator

If $3(c+d)=5,$ what is the value of $c+d ?$

$$\begin{array}{l}{\text { A) } \frac{3}{5}} \\ {\text { B) } \frac{5}{3}} \\ {\text { C) } 3} \\ {\text { D) } 5}\end{array}$$

Lily A.

Numerade Educator

The weight of an object on Venus is approximately

$\frac{9}{10}$ of its weight on Earth. The weight of an object

on Jupiter is approximately $\frac{23}{10}$ of its weight on

Earth. If an object weighs 100 pounds on Earth,

approximately how many more pounds on Earth,

weigh on Jupiter than it weighs on Venus?

$$\begin{array}{l}{\text { A) } 90} \\ {\text { B) } 111} \\ {\text { C) } 140} \\ {\text { D) } 230}\end{array}$$

Aaron W.

Numerade Educator

An online bookstore sells novels and magazines.

Each novel sells for $\$ 4,$ and each magazine sells for

$\$ 1 .$ If Sadie purchased a total of 11 novels and

magazines that have a combined selling price of $\$ 20,$

how many novels did she purchase?

$$\begin{array}{l}{\text { A) } 2} \\ {\text { B) } 3} \\ {\text { C) } 4} \\ {\text { D) } 5}\end{array}

$$

Lily A.

Numerade Educator

The Downtown Business Association (DBA) in a

certain city plans to increase its membership by a

total of $n$ businesses per year. There were

$b$ businesses in the DBA at the beginning of this

year. Which function best models the total number

of businesses, $y,$ the DBA plans to have as member

$x$ years from now?

$$\begin{array}{l}{\text { A) } y=n x+b} \\ {\text { B) } y=n x-b} \\ {\text { C) } y=b(n)^{x}} \\ {\text { D) } y=n(b)^{x}}\end{array}$$

Lily A.

Numerade Educator

Which of the following is an equivalent form of

$(1.5 x-2.4)^{2}-\left(5.2 x^{2}-6.4\right) ?$

$$\begin{array}{l}{\text { A) }-2.2 x^{2}+1.6} \\ {\text { B) }-2.2 x^{2}+11.2} \\ {\text { C) }-2.95 x^{2}-7.2 x+12.16} \\ {\text { D) }-2.95 x^{2}-7.2 x+0.64}\end{array}$$

Lily A.

Numerade Educator

In the 1908 Olympic Games, the Olympic marathon

was lengthened from 40 kilometers to approximately

42 kilometers. Of the following, which is closest to

the increase in the distance of the Olympic

marathon, in miles? (1 mile is approximately

1.6 kilometers.)

$$\begin{array}{ll}{\text { A) }} & {1.00} \\ {\text { B) }} & {1.25} \\ {\text { C) }} & {1.50} \\ {\text { D) }} & {1.75}\end{array}$$

Lily A.

Numerade Educator

The density $d$ of an object is found by dividing the

mass $m$ of the object by its volume $V .$ Which of

the following equations gives the mass $m$ in terms

of $d$ and $V ?$

$$\begin{array}{l}{\text { A) } m=d V} \\ {\text { B) } m=\frac{d}{V}} \\ {\text { C) } m=\frac{V}{d}} \\ {\text { D) } m=V+d}\end{array}$$

Lily A.

Numerade Educator

In the $x y$ -plane, the graph of which of the following

equations is perpendicular to the graph of the

equation above?

$$\begin{array}{l}{\text { A) } 3 x+2 y=6} \\ {\text { B) } 3 x+4 y=6} \\ {\text { C) } 2 x+4 y=6} \\ {\text { D) } 2 x+6 y=3}\end{array}$$

Lily A.

Numerade Educator

$$\begin{array}{c}{\frac{1}{2} y=4} \\ {x-\frac{1}{2} y=2}\end{array}$$

The system of equations above has solution $(x, y) .$ What is the value of $x ?$

$$\begin{array}{c}{\text { A) } 3} \\ {\text { B) } \frac{7}{2}} \\ {\text { C) } 4} \\ {\text { D) } 6}\end{array}$$

Lily A.

Numerade Educator

$$\begin{array}{c}{y \leq 3 x+1} \\ {x-y>1}\end{array}$$

Which of the following ordered pairs $(x, y)$ satisfies

the system of inequalities above?

$$\begin{array}{l}{\text { A) }(-2,-1)} \\ {\text { B) }(-1,3)} \\ {\text { C) }(1,5)} \\ {\text { D) }(2,-1)}\end{array}$$

Lily A.

Numerade Educator

In a survey, 607 general surgeons and orthopedic

surgeons indicated their major professional activity.

The results are summarized in the table above. If one

of the surgeons is selected at random, which of the

following is closest to the probability that the selected

surgeon is an orthopedic surgeon whose indicated

professional activity is research?

$$\begin{array}{l}{\text { A) } 0.122} \\ {\text { B) } 0.196} \\ {\text { C) } 0.318} \\ {\text { D) } 0.379}\end{array}$$

Lily A.

Numerade Educator

A polling agency recently surveyed $1,000$ adults who

were selected at random from a large city and asked

each of the adults, "Are you satisfied with the quality

of air in the city?" Of those surveyed, 78 percent

responded that they were satisfied with the quality of

air in the city. Based on the results of the survey,

which of the following statements must be true?

$$\begin{array}{l}{\text { I. Of all adults in the city, } 78 \text { percent are }} \\ {\text { satisfied with the quality of air in the city. }} \\ {\text { II. If another } 1,000 \text { adults selected at random }} \\ {\text { from the city were surveyed, } 78 \text { percent of }} \\ {\text { them would report they are satisfied with }} \\ {\text { the quality of air in the city. }}\\{\text { III. If } 1,000 \text { adults selected at random from a }} \\ {\text { different city were surveyed, } 78 \text { percent of }} \\ {\text { them would report they are satisfied with }} \\ {\text { the quality of air in the city. }}\end{array}$$

$$\begin{array}{l}{\text { A) } \text { None }} \\ {\text { B) II only }} \\ {\text { C) I and II only }} \\ {\text { D) I and III only }}\end{array}$$

Lily A.

Numerade Educator

According to the information in the table, what is the

approximate age of an American elm tree with a

diameter of 12 inches?

$$\begin{array}{l}{\text { A) } 24 \text { years }} \\ {\text { B) } 36 \text { years }} \\ {\text { C) } 40 \text { years }} \\ {\text { D) } 48 \text { years }}\end{array}$$

Lily A.

Numerade Educator

The scatterplot above gives the tree diameter plotted

against age for 26 trees of a single species. The

growth factor of this species is closest to that of

which of the following species of tree?

$$\begin{array}{l}{\text { A) Red maple }} \\ {\text { B) Cottonwood }} \\ {\text { C) White birch }} \\ {\text { D) Shagbark hickory }}\end{array}$$

Lily A.

Numerade Educator

If a white birch tree and a pin oak tree each now have

a diameter of 1 foot, which of the following will be

closest to the difference, in inches, of their diameters

10 years from now? ( 1 foot $=12$ inches)

$$\begin{array}{ll}{\text { A) }} & {1.0} \\ {\text { B) }} & {1.2} \\ {\text { C) }} & {1.3} \\ {\text { D) }} & {1.4}\end{array}$$

Lily A.

Numerade Educator

In $\triangle A B C$ above, what is the length of $\overline{A D} ?$

$$\begin{array}{l}{\text { A) } 4} \\ {\text { B) } 6} \\ {\text { C) } 6 \sqrt{2}} \\ {\text { D) } 6 \sqrt{3}}\end{array}$$

Lily A.

Numerade Educator

The figure on the left above shows a wheel with a

mark on its rim. The wheel is rolling on the ground

at a constant rate along a level straight path from a

starting point to an ending point. The graph of

$y=d(t)$ on the right could represent which of the

following as a function of time from when the wheel

began to roll?

$$\begin{array}{l}{\text { A) The speed at which the wheel is rolling }} \\ {\text { B) The distance of the wheel from its starting point }} \\ {\text { C) The distance of the mark on the rim from the }} \\ {\text { center of the wheel }} \\ {\text { D) The distance of the mark on the rim from the }} \\ {\text { ground }}\end{array}$$

Lily A.

Numerade Educator

$$\frac{a-b}{a}=c$$

In the equation above, if $a$ is negative and $b$ is

positive, which of the following must be true?

$$\begin{array}{l}{\text { A) } c>1} \\ {\text { B) } c=1} \\ {\text { C) } c=-1} \\ {\text { D) } c<-1}\end{array}$$

Lily A.

Numerade Educator

In State $\mathrm{X},$ Mr. Camp's eighth-grade class consisting

of 26 students was surveyed and 34.6 percent of the

students reported that they had at least two siblings.

The average eighth-grade class size in the state is 26.

If the students in Mr. Camp's class are representative

of students in the state's eighth-grade classes and

there are $1,800$ eighth-grade classes in the state,

which of the following best estimates the number of

eighth-grade students in the state who have fewer

than two siblings?

$$\begin{array}{l}{\text { A) } 16,200} \\ {\text { B) } 23,400} \\ {\text { C) } 30,600} \\ {\text { D) } 46,800}\end{array}$$

Lily A.

Numerade Educator

The relationship between the monthly rental price $r,$

in dollars, and the property's purchase price $p,$ in

thousands of dollars, can be represented by a linear

function. Which of the following functions

represents the relationship?

$$\begin{aligned} \text { A) } & r(p)=2.5 p-870 \\ \text { B) } & r(p)=5 p+165 \\ \text { C) } & r(p)=6.5 p+440 \\ \text { D) } & r(p)=7.5 p-10 \end{aligned}$$

Lily A.

Numerade Educator

Townsend Realty purchased the Glenview Street

property and received a 40$\%$ discount off the original

price along with an additional 20$\%$ off the discounted

price for purchasing the property in cash. Which of

the following best approximates the original price, in

dollars, of the Glenview Street property?

$$\begin{array}{l}{\text { A) } \$ 350,000} \\ {\text { B) } \$ 291,700} \\ {\text { C) } \$ 233,300} \\ {\text { D) } \$ 175,000}\end{array}$$

Lily A.

Numerade Educator