Question 1

Determine whether the lines through each pair of points are parallel.
-(-9, 0) and (-17, -4); (3, -4) and (-1, -6)

Accepted Answer

A)  not parallel 
B)  parallel

Question 2

Plot the given point in a rectangular coordinate system.
-$(-4,0)$

Accepted Answer

A)   
B)   
C)   
D)

Question 3

Graph the linear equation in two variables.
-y = 4x

Accepted Answer

A)  
B)  
C)  
D)

Question 4

Find the y- and x-intercepts for the equation. Then graph the equation.
-x + y = 3

Accepted Answer

A)  $( 0,3 ) , ( - 3,0 )$
 
B)  $( 0,3 ) , ( 3,0 )$
 
C)  $( 0 , - 3 ) , ( 3,0 )$
 
D)  $( 0 , - 3 ) , ( - 3,0 )$

Question 5

Find the slope of the line, or state that the slope is undefined.
-

Accepted Answer

A)  -1 
B)  4 
C)  1 
D)  -4

Question 6

Find the y- and x-intercepts for the equation. Then graph the equation.
-x - 2y = 6

Accepted Answer

A)  $( 0 , - 3 ) ; ( - 6,0 )$
 
B)  $( 0 , - 3 ) ; ( 6,0 )$
 
C)  $( 0,3 ) ; ( - 6,0 )$
 
D)  $( 0,3 ) ; ( 6,0 )$

Question 7

The graph shows the monthly revenue in millions of dollars of a growing company after the company doubled its advertising. Use the graph to solve the problem. 
-Estimate the maximum revenue during the period of time plotted on the graph.

Accepted Answer

A)  $7 million 
B)  $10 million 
C)  $9 million 
D)  $5 million

Question 8

Provide an appropriate answer.
-Determine whether the points whose coordinates are (-2, 3), (-1, 4), and (0, 5) lie on a line.

Accepted Answer

A)  The points lie on a line. 
B)  The points do not lie on a line.

Question 9

Determine whether the lines through each pair of points are parallel.
-(-4, -2) and (-8, 16); (-6, -5) and (-8, 4)

Accepted Answer

A)  parallel 
B)  not parallel

Question 10

Indicate in which quadrant the point lies.
-$$\left( - \frac { 1 } { 3 } , \frac { 2 } { 3 } \right)$$

Accepted Answer

A)  II 
B)  III 
C)  I 
D)  IV

Question 11

The graph shows the monthly revenue in millions of dollars of a growing company after the company doubled its advertising. Use the graph to solve the problem. 
-During what period of time is the company's monthly revenue decreasing?

Accepted Answer

A)  From the time that the advertising was doubled until the 9th month 
B)  From the time that the advertising was doubled until the 6th month 
C)  From the 9th month to the 12th month 
D)  From the 6th month to the 9th month

Question 12

Graph the equation.
-y + 3 = 0

Accepted Answer

A)  
B)  
C)  
D)

Question 13

Graph the linear equation in two variables.
-$y=4 x-2$

Accepted Answer

A)  
B)  
C)  
D)

Question 14

Graph the linear equation in two variables.
-$y=x-2$

Accepted Answer

A)  
B)  
C)  
D)

Question 15

Determine whether the lines through each pair of points are parallel, perpendicular, or neither.
-(-7, -6) and (-9, -18); (-7, -10) and (-13, -11)

Accepted Answer

A)  perpendicular 
B)  parallel 
C)  neither

Question 16

Graph the linear equation in two variables.
-$$y = \frac { 1 } { 6 } x + 6$$

Accepted Answer

A)  
B)  
C)  
D)

Question 17

Find the y- and x-intercepts for the equation. Then graph the equation.
-25y - 5x = -10

Accepted Answer

A)  $\left( 0 , \frac { 2 } { 5 } \right) ; ( - 2,0 )$
 
B)  $\left( 0 , \frac { 2 } { 5 } \right) ; ( 2,0 )$
 
C)  $\left( 0 , - \frac { 2 } { 5 } \right) ; ( 2,0 )$
 
D)  $\left( 0 , - \frac { 2 } { 5 } \right) ; ( - 2,0 )$

Question 18

Plot the given point in a rectangular coordinate system.
-$\left( \frac { 3 } { 2 } , - \frac { 9 } { 2 } \right)$

Accepted Answer

A)   
B)   
C)   
D)

Question 19

The graph shows the monthly revenue in millions of dollars of a growing company after the company doubled its advertising. Use the graph to solve the problem. 
-What is the y-intercept?

Accepted Answer

A)  1 
B)  4 
C)  2 
D)  6

Question 20

Solve.
-A tent has the dimensions shown in feet. Find the pitch (slope) of the left side of the roof.

Accepted Answer

A)  $\frac { 5 } { 3 }$ 
B)  $- \frac { 5 } { 3 }$ 
C)  2 
D)  $\frac { 3 } { 5 }$

Exam 3: Linear Equations in Two Variables

Determine whether the lines through each pair of points are parallel. -(-9, 0) and (-17, -4) ; (3, -4) and (-1, -6)

Plot the given point in a rectangular coordinate system. - $(-4,0)$

Graph the linear equation in two variables. -y = 4x

Find the y- and x-intercepts for the equation. Then graph the equation. -x + y = 3

Find the slope of the line, or state that the slope is undefined. -

Find the y- and x-intercepts for the equation. Then graph the equation. -x - 2y = 6

The graph shows the monthly revenue in millions of dollars of a growing company after the company doubled its advertising. Use the graph to solve the problem. -Estimate the maximum revenue during the period of time plotted on the graph.

Provide an appropriate answer. -Determine whether the points whose coordinates are (-2, 3) , (-1, 4) , and (0, 5) lie on a line.

Determine whether the lines through each pair of points are parallel. -(-4, -2) and (-8, 16) ; (-6, -5) and (-8, 4)

Indicate in which quadrant the point lies. - $\left( - \frac { 1 } { 3 } , \frac { 2 } { 3 } \right)$

The graph shows the monthly revenue in millions of dollars of a growing company after the company doubled its advertising. Use the graph to solve the problem. -During what period of time is the company's monthly revenue decreasing?

Graph the equation. -y + 3 = 0

Graph the linear equation in two variables. - $y=4 x-2$

Graph the linear equation in two variables. - $y=x-2$

Determine whether the lines through each pair of points are parallel, perpendicular, or neither. -(-7, -6) and (-9, -18) ; (-7, -10) and (-13, -11)

Graph the linear equation in two variables. - $y = \frac { 1 } { 6 } x + 6$ $Graph the linear equation in two variables. - y = \frac { 1 } { 6 } x + 6 A) B) C) D)$

Plot the given point in a rectangular coordinate system. - $\left( \frac { 3 } { 2 } , - \frac { 9 } { 2 } \right)$ $Plot the given point in a rectangular coordinate system. - \left( \frac { 3 } { 2 } , - \frac { 9 } { 2 } \right) A) B) C) D)$

The graph shows the monthly revenue in millions of dollars of a growing company after the company doubled its advertising. Use the graph to solve the problem. -What is the y-intercept?

Solve. -A tent has the dimensions shown in feet. Find the pitch (slope) of the left side of the roof. $Solve. -A tent has the dimensions shown in feet. Find the pitch (slope) of the left side of the roof. A) \frac { 5 } { 3 } B) - \frac { 5 } { 3 } C) 2 D) \frac { 3 } { 5 }$

Exam 3: Linear Equations in Two Variables

Determine whether the lines through each pair of points are parallel. -(-9, 0) and (-17, -4) ; (3, -4) and (-1, -6)

Plot the given point in a rectangular coordinate system. - (−4,0) (-4,0) (−4,0)

Graph the linear equation in two variables. -y = 4x

Find the y- and x-intercepts for the equation. Then graph the equation. -x + y = 3

Find the slope of the line, or state that the slope is undefined. -

Find the y- and x-intercepts for the equation. Then graph the equation. -x - 2y = 6

The graph shows the monthly revenue in millions of dollars of a growing company after the company doubled its advertising. Use the graph to solve the problem. -Estimate the maximum revenue during the period of time plotted on the graph.

Provide an appropriate answer. -Determine whether the points whose coordinates are (-2, 3) , (-1, 4) , and (0, 5) lie on a line.

Determine whether the lines through each pair of points are parallel. -(-4, -2) and (-8, 16) ; (-6, -5) and (-8, 4)

Indicate in which quadrant the point lies. - (−13,23) \left( - \frac { 1 } { 3 } , \frac { 2 } { 3 } \right) (−31​,32​)

The graph shows the monthly revenue in millions of dollars of a growing company after the company doubled its advertising. Use the graph to solve the problem. -During what period of time is the company's monthly revenue decreasing?

Graph the equation. -y + 3 = 0

Graph the linear equation in two variables. - y=4x−2y=4 x-2y=4x−2

Graph the linear equation in two variables. - y=x−2y=x-2y=x−2

Determine whether the lines through each pair of points are parallel, perpendicular, or neither. -(-7, -6) and (-9, -18) ; (-7, -10) and (-13, -11)

Graph the linear equation in two variables. - y=16x+6y = \frac { 1 } { 6 } x + 6y=61​x+6

Find the y- and x-intercepts for the equation. Then graph the equation. -25y - 5x = -10

Plot the given point in a rectangular coordinate system. - (32,−92) \left( \frac { 3 } { 2 } , - \frac { 9 } { 2 } \right) (23​,−29​)

The graph shows the monthly revenue in millions of dollars of a growing company after the company doubled its advertising. Use the graph to solve the problem. -What is the y-intercept?

Solve. -A tent has the dimensions shown in feet. Find the pitch (slope) of the left side of the roof.

Plot the given point in a rectangular coordinate system. - $(-4,0)$

Indicate in which quadrant the point lies. - $\left( - \frac { 1 } { 3 } , \frac { 2 } { 3 } \right)$

Graph the linear equation in two variables. - $y=4 x-2$

Graph the linear equation in two variables. - $y=x-2$

Graph the linear equation in two variables. - $y = \frac { 1 } { 6 } x + 6$ $Graph the linear equation in two variables. - y = \frac { 1 } { 6 } x + 6 A) B) C) D)$

Plot the given point in a rectangular coordinate system. - $\left( \frac { 3 } { 2 } , - \frac { 9 } { 2 } \right)$ $Plot the given point in a rectangular coordinate system. - \left( \frac { 3 } { 2 } , - \frac { 9 } { 2 } \right) A) B) C) D)$

Solve. -A tent has the dimensions shown in feet. Find the pitch (slope) of the left side of the roof. $Solve. -A tent has the dimensions shown in feet. Find the pitch (slope) of the left side of the roof. A) \frac { 5 } { 3 } B) - \frac { 5 } { 3 } C) 2 D) \frac { 3 } { 5 }$