Question 1

For the pair of functions, find the indicated sum, difference, product, or quotient.
-Let f(x) = x - 2 and g(x) = -   + 18x - 5. Find (f ·G)(4).

Accepted Answer

A)  -26 
B)  -510 
C)  166 
D)  -78 
A)  -26 
B)  -510 
C)  166 
D)  -78 A

Question 2

Solve using matrices.
-x - 5y = -4 x + 8y = -4

Accepted Answer

A)  (0, -4) 
B)  (4, 0) 
C)  (0, 4) 
D)  (-4, 0) 
A)  (0, -4) 
B)  (4, 0) 
C)  (0, 4) 
D)  (-4, 0) D

Question 3

Find the center and the radius of the circle.
-

Accepted Answer

A)  (5, 8), r = 6 
B)  (8, 5), r = 6 
C)  (-8, -5), r = 36 
D)  (-5, -8), r = 36 
A)  (5, 8), r = 6 
B)  (8, 5), r = 6 
C)  (-8, -5), r = 36 
D)  (-5, -8), r = 36 A

Question 4

Use synthetic division to divide.
-  ÷ (x + 3)

Accepted Answer

A)  x - 9 
B)  7x - 9 
C)  -7x + 9 
D)  -9x + 3 
A)  x - 9 
B)  7x - 9 
C)  -7x + 9 
D)  -9x + 3

Question 5

Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places.
-(6, 4) and (6, 9)

Accepted Answer

A)  4 
B)  13 
C)  6 
D)  5 
A)  4 
B)  13 
C)  6 
D)  5

Question 6

Solve using Cramer's rule.
-2x + 2y = 22 2x - 2y = 2

Accepted Answer

A)  (5, 6) 
B)  (-5, 6) 
C)  (6, 5) 
D)  (-6, -5) 
A)  (5, 6) 
B)  (-5, 6) 
C)  (6, 5) 
D)  (-6, -5)

Question 7

Solve using Cramer's rule.
-3x - 7y - 5z = -58 2x + 6y - 7z = 25
-4x - 6y - 2z = -56

Accepted Answer

A)  (3, 5, 3) 
B)  (2, -7, -3) 
C)  (7, 3, 7) 
D)  (2, 7, 3) 
A)  (3, 5, 3) 
B)  (2, -7, -3) 
C)  (7, 3, 7) 
D)  (2, 7, 3)

Question 8

Find the midpoint of the segment with the given endpoints.
-

Accepted Answer

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

Question 9

For the pair of functions, find the indicated sum, difference, product, or quotient.
-f(x) =   + 1, g(x) = 8x - 8 Find (f ·G)(x).

Accepted Answer

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

Question 10

Solve using matrices.
-x - y + 5z = -6 2x + z = -1
X + 5y + z = 4

Accepted Answer

A)  (1, -1, 0) 
B)  (-1, 0, 1) 
C)  (-1, 1, 0) 
D)  (0, 1, -1) 
A)  (1, -1, 0) 
B)  (-1, 0, 1) 
C)  (-1, 1, 0) 
D)  (0, 1, -1)

Question 11

Solve using matrices.
-x + y = -2 2x + y = -3
Y + 2z = -11

Accepted Answer

A)  (-1, 1, -5) 
B)  (-3, -1, -7) 
C)  (-2, -1, -10) 
D)  (-1, -1, -5) 
A)  (-1, 1, -5) 
B)  (-3, -1, -7) 
C)  (-2, -1, -10) 
D)  (-1, -1, -5)

Question 12

Graph the circle.
-

Accepted Answer

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

Question 13

Solve.
-Let f(x) = 6x + 3 and g(x) =   + 7. Find f(9) · g(9) .

Accepted Answer

A)  14,250 
B)  13,500 
C)  13,122 
D)  13,851 
A)  14,250 
B)  13,500 
C)  13,122 
D)  13,851

Question 14

Evaluate.
-

Accepted Answer

A)  392 
B)  -44 
C)  -4 
D)  4 
A)  392 
B)  -44 
C)  -4 
D)  4

Question 15

Solve using matrices.
-x + 7y = -2 3x + y = 34

Accepted Answer

A)  (3, 7) 
B)  (12, -2) 
C)  (7, 12) 
D)  (-2, 3) 
A)  (3, 7) 
B)  (12, -2) 
C)  (7, 12) 
D)  (-2, 3)

Question 16

Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places.
-(2, 2) and (-5, -4)

Accepted Answer

A)  1 
B)    
C)    
D)  42 
A)  1 
B)    
C)    
D)  42

Question 17

Find the midpoint of the segment with the given endpoints.
-(1, -7) and (-9, 2)

Accepted Answer

A)  10, -9 
B)    
C)    
D)  -8, -5 
A)  10, -9 
B)    
C)    
D)  -8, -5

Question 18

Solve the problem.
-Some players are thinking about quitting the company softball team. Their batting averages are 0.223, 0.281, 0.223, 0.331, 0.206, 0.339, and 0.271, respectively. What is the mean batting average of these players? Round
Your answer to the nearest thousandth.

Accepted Answer

A)  0.281 
B)  0.312 
C)  0.244 
D)  0.268 
A)  0.281 
B)  0.312 
C)  0.244 
D)  0.268

Question 19

Solve.
-Let f(x) = -9x + 7 and g(x) =   + 4. Find f(3) + g(3) .

Accepted Answer

A)  43 
B)  47 
C)  36 
D)  40 
A)  43 
B)  47 
C)  36 
D)  40

Question 20

Graph the circle.
-

Accepted Answer

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

For the pair of functions, find the indicated sum, difference, product, or quotient. -Let f(x) = x - 2 and g(x) = - + 18x - 5. Find (f ·G)(4).

Solve using matrices. -x - 5y = -4 x + 8y = -4

Find the center and the radius of the circle. -

Use synthetic division to divide. - ÷ (x + 3)

Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places. -(6, 4) and (6, 9)

Solve using Cramer's rule. -2x + 2y = 22 2x - 2y = 2

Solve using Cramer's rule. -3x - 7y - 5z = -58 2x + 6y - 7z = 25 -4x - 6y - 2z = -56

Find the midpoint of the segment with the given endpoints. -

For the pair of functions, find the indicated sum, difference, product, or quotient. -f(x) = + 1, g(x) = 8x - 8 Find (f ·G)(x).

Solve using matrices. -x - y + 5z = -6 2x + z = -1 X + 5y + z = 4

Solve using matrices. -x + y = -2 2x + y = -3 Y + 2z = -11

Graph the circle. -

Solve. -Let f(x) = 6x + 3 and g(x) = + 7. Find f(9) · g(9) .

Evaluate. -

Solve using matrices. -x + 7y = -2 3x + y = 34

Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places. -(2, 2) and (-5, -4)

Find the midpoint of the segment with the given endpoints. -(1, -7) and (-9, 2)

Solve the problem. -Some players are thinking about quitting the company softball team. Their batting averages are 0.223, 0.281, 0.223, 0.331, 0.206, 0.339, and 0.271, respectively. What is the mean batting average of these players? Round Your answer to the nearest thousandth.

Solve. -Let f(x) = -9x + 7 and g(x) = + 4. Find f(3) + g(3) .

Graph the circle. -

Introduction

Introduction to Real Numbers and Algebraic Expressions

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Graphs, Functions, and Applications

Systems of Equations

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Exam 14: Calculating Means and Medians of Data Sets

For the pair of functions, find the indicated sum, difference, product, or quotient. -Let f(x) = x - 2 and g(x) = - + 18x - 5. Find (f ·G)(4).

Solve using matrices. -x - 5y = -4 x + 8y = -4

Find the center and the radius of the circle. -

Use synthetic division to divide. - ÷ (x + 3)

Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places. -(6, 4) and (6, 9)

Solve using Cramer's rule. -2x + 2y = 22 2x - 2y = 2

Solve using Cramer's rule. -3x - 7y - 5z = -58 2x + 6y - 7z = 25 -4x - 6y - 2z = -56

Find the midpoint of the segment with the given endpoints. -

For the pair of functions, find the indicated sum, difference, product, or quotient. -f(x) = + 1, g(x) = 8x - 8 Find (f ·G)(x).

Solve using matrices. -x - y + 5z = -6 2x + z = -1 X + 5y + z = 4

Solve using matrices. -x + y = -2 2x + y = -3 Y + 2z = -11

Graph the circle. -

Solve. -Let f(x) = 6x + 3 and g(x) = + 7. Find f(9) · g(9) .

Evaluate. -

Solve using matrices. -x + 7y = -2 3x + y = 34

Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places. -(2, 2) and (-5, -4)

Find the midpoint of the segment with the given endpoints. -(1, -7) and (-9, 2)

Solve the problem. -Some players are thinking about quitting the company softball team. Their batting averages are 0.223, 0.281, 0.223, 0.331, 0.206, 0.339, and 0.271, respectively. What is the mean batting average of these players? Round Your answer to the nearest thousandth.

Solve. -Let f(x) = -9x + 7 and g(x) = + 4. Find f(3) + g(3) .

Graph the circle. -

Introduction

Introduction to Real Numbers and Algebraic Expressions

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Graphs, Functions, and Applications

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Filters