Question 1

State whether the graph is or is not that of a function.
-

Accepted Answer

A)  Function 
B)  Not a function 
A)  Function 
B)  Not a function

Question 2

Decide whether or not the ordered pair is a solution to the equation
-- 7x - 19y = 130; (- 5, - 5)

Accepted Answer

A) True 
 B)False

Question 3

Graph the line through the given point with the given slope.
-(0, 2), m = -1/4

Accepted Answer

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

Question 4

Solve the problem
-(0, 4), m = - 2

Accepted Answer

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

Question 5

The table shown was generated by a graphics calculator. The expression yS1U1B11 S1U1B0represents f(x).
-  If f(x) = 7, then x = ?

Accepted Answer

A)  - 2 
B)  0 
C)  2 
D)  Cannot be determined 
A)  - 2 
B)  0 
C)  2 
D)  Cannot be determined

Question 6

Give the ordered pairs for the points labeled on the graph.
-

Accepted Answer

A)  C(- 5, 4); D(- 5, 2) 
B)  C(- 5, 4); D(2, - 5) 
C)  C(- 5, - 5); D(4, - 5) 
D)  C(4, 6); D( - 5, 2) 
A)  C(- 5, 4); D(- 5, 2) 
B)  C(- 5, 4); D(2, - 5) 
C)  C(- 5, - 5); D(4, - 5) 
D)  C(4, 6); D( - 5, 2)

Question 7

Plot the ordered pairs on the rectangular coordinate system provided.
-A(- 4, 0), B (0, 3)

Accepted Answer

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

Question 8

Write the slope-intercept form of the equation for the line passing through the given pair of points.
-(- 10, 8) and (- 10, - 9)

Accepted Answer

A)  y = 8 
B)  x = - 10 
C)  8x - 9y = 0 
D)  - 9x + 8y = 0 
A)  y = 8 
B)  x = - 10 
C)  8x - 9y = 0 
D)  - 9x + 8y = 0

Question 9

Find the domain and range of the function.
-y = x - 10

Accepted Answer

A)  Domain: [0, œ), range: [- 10, œ) 
B)  Domain: [10, œ), range: [0, œ) 
C)  Domain: (- œ, œ), range: (- œ, œ) 
D)  Domain: (- œ, œ), range: [0, œ) 
A)  Domain: [0, œ), range: [- 10, œ) 
B)  Domain: [10, œ), range: [0, œ) 
C)  Domain: (- œ, œ), range: (- œ, œ) 
D)  Domain: (- œ, œ), range: [0, œ)

Question 10

Solve the problem.
-The table lists the average annual cost (in dollars) of tuition and fees at a certain 2- year college for selected years, where year 1 represents 1992, year 3 represents 1994, and so on. The equation y = 26.33x + 1066 can be used to approximate the data. Predict the average annual cost in 2005 to the nearest dollar.

Accepted Answer

A)  $1408 
B)  $1435 
C)  $1461 
D)  $1487 
A)  $1408 
B)  $1435 
C)  $1461 
D)  $1487

Question 11

Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither.
-3x - 2y = 6
2x + 3y = 6

Accepted Answer

A)  Perpendicular 
B)  Neither 
C)  Parallel 
A)  Perpendicular 
B)  Neither 
C)  Parallel

Question 12

Decide whether or not the ordered pair is a solution to the equation
-y = 3x; (- 1, - 3)

Accepted Answer

A) True 
 B)False

Question 13

Solve.
-Complete these ordered pairs for the equation 4x - 3y = - 12; (0,   ), (   	, 0), (3,   	)

Accepted Answer

A)  (6, 4), (3, 0), (- 3, 8) 
B)  (0, 6), (- 3, 0), (3, 8) 
C)  (0, 4), (- 3, 0), (3, 8) 
D)  (0, 4), (3, 0), ( - 3, 8) 
A)  (6, 4), (3, 0), (- 3, 8) 
B)  (0, 6), (- 3, 0), (3, 8) 
C)  (0, 4), (- 3, 0), (3, 8) 
D)  (0, 4), (3, 0), ( - 3, 8)

Question 14

Solve the problem.
-Suppose that during a certain step in a chemical manufacturing process the amount of chlorine dissolved in a solution, measured in parts per million (ppm), is related to the elapsed time measured from the beginning of the step. Use the following table as a representation of this relationship. Make a scatter diagram of the data. What is happening to the amount of chlorine in solution during this time frame?

Accepted Answer

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

Question 15

Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither.
-6x + 2y = 8
12x + 4y = 19

Accepted Answer

A)  Perpendicular 
B)  Neither 
C)  Parallel 
A)  Perpendicular 
B)  Neither 
C)  Parallel

Question 16

Plot the ordered pairs on the rectangular coordinate system provided.
-A(3, 6), B(- 4, - 5)

Accepted Answer

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

Question 17

Complete the ordered pair for the given equation
-y = - x - 8 (- 9, )

Accepted Answer

A)  (- 9, - 11) 
B)  (- 9, 11) 
C)  (- 9, 1) 
D)  ( - 9, - 1) 
A)  (- 9, - 11) 
B)  (- 9, 11) 
C)  (- 9, 1) 
D)  ( - 9, - 1)

Question 18

Evaluate the function.
-Given f(x) = 2x2 - 3x + 4, find f(- 1).

Accepted Answer

A)  3 
B)  9 
C)  1 
D)  8 
A)  3 
B)  9 
C)  1 
D)  8

Question 19

Graph the linear equation. Give the x- and y- intercepts.
-x + 8 = 0

Accepted Answer

A)  x- intercept: none; y- intercept: (0, - 8)
  
B)  x- intercept: (0, 0); y- intercept: (0, 0)
  
C) x-intercept: (-8, 0); y-intercept: none
  
D)  x- intercept: (8, 0); y- intercept: none
  
A)  x- intercept: none; y- intercept: (0, - 8)
  
B)  x- intercept: (0, 0); y- intercept: (0, 0)
  
C) x-intercept: (-8, 0); y-intercept: none
  
D)  x- intercept: (8, 0); y- intercept: none

Question 20

The table of values gives two points that lie on a line. Use the points to find the slope and y-intercept of the line. Then use these values to write an equation of the line in slope-intercept form.
-

Accepted Answer

A)  y = (7/11) X +(14/11) 
B)  y = 1x + 16 
C)  y =(-7/11) X+ 14/11 
D)  y = -1 x + 16 
A)  y = (7/11) X +(14/11) 
B)  y = 1x + 16 
C)  y =(-7/11) X+ 14/11 
D)  y = -1 x + 16

State whether the graph is or is not that of a function. -

Decide whether or not the ordered pair is a solution to the equation -- 7x - 19y = 130; (- 5, - 5)

Graph the line through the given point with the given slope. -(0, 2), m = -1/4

Solve the problem -(0, 4), m = - 2

The table shown was generated by a graphics calculator. The expression y₁represents f(x). - If f(x) = 7, then x = ?

Give the ordered pairs for the points labeled on the graph. -

Plot the ordered pairs on the rectangular coordinate system provided. -A(- 4, 0), B (0, 3)

Write the slope-intercept form of the equation for the line passing through the given pair of points. -(- 10, 8) and (- 10, - 9)

Find the domain and range of the function. -y = x - 10

Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither. -3x - 2y = 6 2x + 3y = 6

Decide whether or not the ordered pair is a solution to the equation -y = 3x; (- 1, - 3)

Solve. -Complete these ordered pairs for the equation 4x - 3y = - 12; (0, ), ( , 0), (3, )

Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither. -6x + 2y = 8 12x + 4y = 19

Plot the ordered pairs on the rectangular coordinate system provided. -A(3, 6), B(- 4, - 5)

Complete the ordered pair for the given equation -y = - x - 8 (- 9, )

Evaluate the function. -Given f(x) = 2x²- 3x + 4, find f(- 1).

Graph the linear equation. Give the x- and y- intercepts. -x + 8 = 0

The table of values gives two points that lie on a line. Use the points to find the slope and y-intercept of the line. Then use these values to write an equation of the line in slope-intercept form. -

The Real Number System

Linear Equations and Inequalities in One Variable

Linear Equations and Inequalities in Two Variables; Functions

Exponents and Polynomials

Factoring and Applications

Rational Expressions and Applications

Roots and Radicals

Quadratic Equations

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Exam 4: Systems of Linear Equations and Inequalities