Question 1

Match the graph with its equation.
-

Accepted Answer

A)  $x = 4$ 
B)  $x = - 4$ 
C)  $y = - 3 x + 4$ 
D)  $y = - 4$ 
A)  $x = 4$ 
B)  $x = - 4$ 
C)  $y = - 3 x + 4$ 
D)  $y = - 4$ B

Question 2

Solve. Assume the exercise describes a linear relationship.
-Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 770 . Find a linear equation which fits this data, and which relates score to review time. Use this equation to predict an average score for persons taking a 50-hour review course. Round your answer to the nearest tenth.

Accepted Answer

A)  $687.7$ 
B)  $699.2$ 
C)  $709.0$ 
D)  $695.0$ 
A)  $687.7$ 
B)  $699.2$ 
C)  $709.0$ 
D)  $695.0$ D

Question 3

Determine whether the pair of lines is parallel, perpendicular, or neither.
-$\begin{array} { l } 
y = - 5 x - 8 \
y = 5 x - 1
\end{array}$

Accepted Answer

A)  parallel 
B)  perpendicular 
C)  neither 
A)  parallel 
B)  perpendicular 
C)  neither C

Question 4

Evaluate the function.
-Find $f ( 0 )$ when $f ( x ) = x ^ { 2 } + 4 x + 2$.

Accepted Answer

A)  $- 2$ 
B)  2 
C)  0 
D)  4 
A)  $- 2$ 
B)  2 
C)  0 
D)  4

Question 5

Determine whether the equation is a linear equation in two variables.
-$x ^ { 2 } = 6 y$

Accepted Answer

A) True 
 B)False

Question 6

Find the domain and range of the function graphed.
-

Accepted Answer

A)  domain: $( - \infty , \infty )$; range: $\{ - 4 \}$ 
B)  domain: $( - \infty , - 4 ) \cup ( - 4 , \infty )$; range: $( - \infty , \infty )$ 
C)  domain: $( - \infty , \infty )$; range: $( - \infty , \infty )$ 
D)  domain: $( - \infty , \infty )$; range: $( - \infty , - 4 ) \cup ( - 4 , \infty )$ 
A)  domain: $( - \infty , \infty )$; range: $\{ - 4 \}$ 
B)  domain: $( - \infty , - 4 ) \cup ( - 4 , \infty )$; range: $( - \infty , \infty )$ 
C)  domain: $( - \infty , \infty )$; range: $( - \infty , \infty )$ 
D)  domain: $( - \infty , \infty )$; range: $( - \infty , - 4 ) \cup ( - 4 , \infty )$

Question 7

Graph the linear equation by finding and plotting its intercepts.
-$y + \frac { 1 } { 2 } x = 4$

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 8

Find the slope of the line if it exists.
-

Accepted Answer

A)  $- 2$ 
B)  2 
C)  undefined slope 
D)  0 
A)  $- 2$ 
B)  2 
C)  undefined slope 
D)  0

Question 9

Find the domain of the function.
-$g ( x ) = \frac { 1 } { x + 8 }$

Accepted Answer

A)  $( - \infty , - 8 ) \cup ( - 8 , \infty )$ 
B)  $( - \infty , \infty )$ 
C)  $( - \infty , 1 ) \cup ( 1 , \infty )$ 
D)  $( - \infty , 8 ) \cup ( 8 , \infty )$ 
A)  $( - \infty , - 8 ) \cup ( - 8 , \infty )$ 
B)  $( - \infty , \infty )$ 
C)  $( - \infty , 1 ) \cup ( 1 , \infty )$ 
D)  $( - \infty , 8 ) \cup ( 8 , \infty )$

Question 10

Determine whether the relation is also a function.
-$\{ ( 1,7 ) , ( 3,4 ) , ( 4,6 ) , ( 8,3 ) , ( 10 , - 2 ) \}$

Accepted Answer

A) True 
 B)False

Question 11

Write the word or phrase that best completes each statement or answers the question.
Solve.
-The table shows the number of cans of soda sold at a campus stand on five days with
different high temperatures for the day. Write each paired data as an order pair of the form
(temperature, cans). Then create a scatter diagram of the ordered pairs. $$\begin{array}{l}
\text { High TemperatureNumber of }\
\begin{array} { c | c } 
\left( \text { in } ^ { \circ } \mathrm { F } \right) & \text { Cans Sold } \
\hline 70 & 325 \
75 & 350 \
80 & 440 \
85 & 470 \
90 & 575
\end{array}
\end{array}$$

Accepted Answer

The answer of Write the word or phrase that best...

Question 12

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. Use the graph to answer the
question.  
-During which hour did the temperature increase the most?

Accepted Answer

A)  9 a.m. to 10 a.m. 
B)  10 a.m. to 11 a.m. 
C)  12 p.m. to 1 p.m. 
D)  1 p.m. to 2 p.m. 
A)  9 a.m. to 10 a.m. 
B)  10 a.m. to 11 a.m. 
C)  12 p.m. to 1 p.m. 
D)  1 p.m. to 2 p.m.

Question 13

Find an equation of the line with the given slope that passes through the given point. Write the equation in the form
Ax + By = C.
-$\mathrm { m } = - 3 ; ( - 2 , - 1 )$

Accepted Answer

A)  $3 x + y = - 5$ 
B)  $3 x + y = - 1$ 
C)  $3 x + y = 7$ 
D)  $3 x + y = - 7$ 
A)  $3 x + y = - 5$ 
B)  $3 x + y = - 1$ 
C)  $3 x + y = 7$ 
D)  $3 x + y = - 7$

Question 14

Solve.
-A study of grocery buying habits in a particular region stated that for the years $2001 - 2005$, the annual number of new family-run grocery stores can be estimated by the equation $y = - 180 x + 2996$, where $x$ is the number of years after 2000. Graph this equation and use the graph to predict the number of family-run stores that will start up in $2009 .$

Accepted Answer

A)  1876 stores
  
B)  1076 stores
  
C)  2596 stores
  
D)  1376 stores
  
A)  1876 stores
  
B)  1076 stores
  
C)  2596 stores
  
D)  1376 stores

Question 15

The bar graph shows the number of tickets sold each week by the garden club for their annual flower show. Use the
graph to answer the question.
 $$\text { Number of Tickets Sold Each Week }$$

-During which weeks were the number of tickets sold more than 25?

Accepted Answer

A)  weeks 1, 4, and 5 
B)  weeks 1, 3, and 4 
C)  weeks 1, 3, and 5 
D)  weeks 1, 3, 4, and 5 
A)  weeks 1, 4, and 5 
B)  weeks 1, 3, and 4 
C)  weeks 1, 3, and 5 
D)  weeks 1, 3, 4, and 5

Question 16

Decide whether the equation describes a function.
-$y = 7$

Accepted Answer

A) True 
 B)False

Question 17

Complete the table of ordered pairs for the given linear equation; then plot the solution.
-$4 x + 2 y = 8$

Accepted Answer

A)   
B)   
C)   
D)   
A)   
B)   
C)   
D)

Question 18

Solve. Assume the exercise describes a linear relationship.
-An investment is worth $\$ 3441$ in 2007. By 2011 it has grown to $\$ 5181$. Let $y$ be the value of the investment in the year $\mathrm { x }$, where $\mathrm { x } = 0$ represents 2007. Write a linear equation that models the value of the investment in the year $\mathrm { x }$.

Accepted Answer

A)  $y = - 435 x + 6921$ 
B)  $y = \frac { 1 } { 435 } x + 3441$ 
C)  $y = - 435 x + 3441$ 
D)  $y = 435 x + 3441$ 
A)  $y = - 435 x + 6921$ 
B)  $y = \frac { 1 } { 435 } x + 3441$ 
C)  $y = - 435 x + 3441$ 
D)  $y = 435 x + 3441$

Question 19

Use the slope-intercept form to graph the equation.
-$y = - \frac { 1 } { 5 } x + 2$

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 20

Fill in the blank with one of the words listed below. $$\begin{array} { l l l l l l } 
\text { relation } & \text { function } & \text { domain } & \text { range } & \text { standard } & \text { slope-intercept } \
\mathbf { y } \text {-axis } & \mathrm { x } \text {-axis } & \text { solution } & \text { linear } & \text { slope } & \text { point-slope } \
\text { x-intercept } & \mathbf { y } \text {-intercept } & \mathbf { y } & \mathbf { x } & &
\end{array}$$
-To find an x-intercept of a graph, let = 0.

Accepted Answer

A)  y-intercept 
B)  x-intercept 
C)  y 
D)  x 
A)  y-intercept 
B)  x-intercept 
C)  y 
D)  x

Match the graph with its equation. -

Determine whether the pair of lines is parallel, perpendicular, or neither. - y=-5x-8 y=5x-1

Evaluate the function. -Find $f ( 0 )$ when $f ( x ) = x ^ { 2 } + 4 x + 2$ .

Determine whether the equation is a linear equation in two variables. - $x ^ { 2 } = 6 y$

Find the domain and range of the function graphed. -

Graph the linear equation by finding and plotting its intercepts. - $y + \frac { 1 } { 2 } x = 4$ $Graph the linear equation by finding and plotting its intercepts. - y + \frac { 1 } { 2 } x = 4$

Find the slope of the line if it exists. -

Find the domain of the function. - $g ( x ) = \frac { 1 } { x + 8 }$

Determine whether the relation is also a function. - $\{ ( 1,7 ) , ( 3,4 ) , ( 4,6 ) , ( 8,3 ) , ( 10 , - 2 ) \}$

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. Use the graph to answer the question. -During which hour did the temperature increase the most?

Find an equation of the line with the given slope that passes through the given point. Write the equation in the form Ax + By = C. - $\mathrm { m } = - 3 ; ( - 2 , - 1 )$

Decide whether the equation describes a function. - $y = 7$

Complete the table of ordered pairs for the given linear equation; then plot the solution. - $4 x + 2 y = 8$

Use the slope-intercept form to graph the equation. - $y = - \frac { 1 } { 5 } x + 2$ $Use the slope-intercept form to graph the equation. - y = - \frac { 1 } { 5 } x + 2$

Fill in the blank with one of the words listed below. relation function domain range standard slope-intercept -axis -axis solution linear slope point-slope x-intercept -intercept -To find an x-intercept of a graph, let = 0.

Review of Real Numbers

Equations, Inequalities, and Problem Solving

Solving Systems of Linear Equations

Exponents and Polynomials

Factoring Polynomials

Rational Expressions

More on Functions and Graphs

Inequalities and Absolute Value

Rational Exponents, Radicals, and Complex Numbers

Quadratic Equations and Functions

Exponential and Logarithmic Functions

Conic Sections

Sequences, Series, and the Binomial Theorem

Filters

Exam 3: Graphing

Match the graph with its equation. -

Determine whether the pair of lines is parallel, perpendicular, or neither. - y=-5x-8 y=5x-1

Evaluate the function. -Find f(0)f ( 0 )f(0) when f(x)=x2+4x+2f ( x ) = x ^ { 2 } + 4 x + 2f(x)=x2+4x+2 .

Determine whether the equation is a linear equation in two variables. - x2=6yx ^ { 2 } = 6 yx2=6y

Find the domain and range of the function graphed. -

Graph the linear equation by finding and plotting its intercepts. - y+12x=4y + \frac { 1 } { 2 } x = 4y+21​x=4

Find the slope of the line if it exists. -

Find the domain of the function. - g(x)=1x+8g ( x ) = \frac { 1 } { x + 8 }g(x)=x+81​

Determine whether the relation is also a function. - {(1,7),(3,4),(4,6),(8,3),(10,−2)}\{ ( 1,7 ) , ( 3,4 ) , ( 4,6 ) , ( 8,3 ) , ( 10 , - 2 ) \}{(1,7),(3,4),(4,6),(8,3),(10,−2)}

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. Use the graph to answer the question. -During which hour did the temperature increase the most?

Find an equation of the line with the given slope that passes through the given point. Write the equation in the form Ax + By = C. - m=−3;(−2,−1)\mathrm { m } = - 3 ; ( - 2 , - 1 )m=−3;(−2,−1)

Decide whether the equation describes a function. - y=7y = 7y=7

Complete the table of ordered pairs for the given linear equation; then plot the solution. - 4x+2y=84 x + 2 y = 84x+2y=8

Use the slope-intercept form to graph the equation. - y=−15x+2y = - \frac { 1 } { 5 } x + 2y=−51​x+2

Fill in the blank with one of the words listed below. relation function domain range standard slope-intercept -axis -axis solution linear slope point-slope x-intercept -intercept -To find an x-intercept of a graph, let = 0.

Review of Real Numbers

Equations, Inequalities, and Problem Solving

Solving Systems of Linear Equations

Exponents and Polynomials

Factoring Polynomials

Rational Expressions

More on Functions and Graphs

Inequalities and Absolute Value

Rational Exponents, Radicals, and Complex Numbers

Quadratic Equations and Functions

Exponential and Logarithmic Functions

Conic Sections

Sequences, Series, and the Binomial Theorem

Filters

Evaluate the function. -Find $f ( 0 )$ when $f ( x ) = x ^ { 2 } + 4 x + 2$ .

Determine whether the equation is a linear equation in two variables. - $x ^ { 2 } = 6 y$

Graph the linear equation by finding and plotting its intercepts. - $y + \frac { 1 } { 2 } x = 4$ $Graph the linear equation by finding and plotting its intercepts. - y + \frac { 1 } { 2 } x = 4$

Find the domain of the function. - $g ( x ) = \frac { 1 } { x + 8 }$

Determine whether the relation is also a function. - $\{ ( 1,7 ) , ( 3,4 ) , ( 4,6 ) , ( 8,3 ) , ( 10 , - 2 ) \}$

Find an equation of the line with the given slope that passes through the given point. Write the equation in the form Ax + By = C. - $\mathrm { m } = - 3 ; ( - 2 , - 1 )$

Decide whether the equation describes a function. - $y = 7$

Complete the table of ordered pairs for the given linear equation; then plot the solution. - $4 x + 2 y = 8$

Use the slope-intercept form to graph the equation. - $y = - \frac { 1 } { 5 } x + 2$ $Use the slope-intercept form to graph the equation. - y = - \frac { 1 } { 5 } x + 2$