Question 1

Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers.
-

Accepted Answer

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

Question 2

Without graphing, find the maximum value or minimum value.
-f(x) =   + 4

Accepted Answer

A)  -5 
B)  -3 
C)  4 
D)  -4 
A)  -5 
B)  -3 
C)  4 
D)  -4

Question 3

Without graphing, find the vertex.
-f(x) = - 5   + 3

Accepted Answer

A)  (3, 0) 
B)  (15, 3) 
C)  (0, 3) 
D)  (15, -15) 
A)  (3, 0) 
B)  (15, 3) 
C)  (0, 3) 
D)  (15, -15)

Question 4

Graph.
-

Accepted Answer

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

Question 5

Determine which of the following four functions might be used as a model for the data: linear: f(x) = mx + b; quadratic: f(x) =   bx + c, a > 0; quadratic: f(x) =   + bx + c, a < 0; polynomial, not quadratic or linear.
-  Growth of revenue in Millions Year

Accepted Answer

A) bx + c, a > 0 B) Polynomial, not quadratic or linear C) f(x) = mx + b D) + bx + c, a < 0 A) bx + c, a > 0 B) Polynomial, not quadratic or linear C) f(x) = mx + b D) + bx + c, a < 0

Question 6

Find the x-intercepts.
-f(x) =   - 5x - 1

Accepted Answer

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

Question 7

Solve.
-  = 5x - 6

Accepted Answer

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

Question 8

Determine the nature of the solutions of the equation.
-1 +   = -2z

Accepted Answer

A)  One real 
B)  Two nonreal 
C)  Two real 
A)  One real 
B)  Two nonreal 
C)  Two real

Question 9

Solve the equation by completing the square.
-  + x + 6 = 0

Accepted Answer

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

Question 10

Solve.
-A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 5 hours. If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?

Accepted Answer

A)  Bike: 11.5 mph 
B)  Bike: 12 mph 
C)  Bike: 14.5 mph 
D)  Bike: 13 mphHike: 1.5 mph Hike: 2 mph Hike: 4.5 mph Hike: 3 mph 
A)  Bike: 11.5 mph 
B)  Bike: 12 mph 
C)  Bike: 14.5 mph 
D)  Bike: 13 mphHike: 1.5 mph Hike: 2 mph Hike: 4.5 mph Hike: 3 mph

Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers. -

Without graphing, find the maximum value or minimum value. -f(x) = + 4

Without graphing, find the vertex. -f(x) = - 5 + 3

Graph. -

Determine which of the following four functions might be used as a model for the data: linear: f(x) = mx + b; quadratic: f(x) = bx + c, a > 0; quadratic: f(x) = + bx + c, a < 0; polynomial, not quadratic or linear. - Growth of revenue in Millions Year

Find the x-intercepts. -f(x) = - 5x - 1

Solve. - = 5x - 6

Determine the nature of the solutions of the equation. -1 + = -2z

Solve the equation by completing the square. - + x + 6 = 0

Solve. -A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 5 hours. If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?

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

Exponential Functions and Logarithmic Functions

Calculating Means and Medians of Data Sets

Filters

Exam 12: Quadratic Equations and Functions

Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers. -

Without graphing, find the maximum value or minimum value. -f(x) = + 4

Without graphing, find the vertex. -f(x) = - 5 + 3

Graph. -

Determine which of the following four functions might be used as a model for the data: linear: f(x) = mx + b; quadratic: f(x) = bx + c, a > 0; quadratic: f(x) = + bx + c, a < 0; polynomial, not quadratic or linear. - Growth of revenue in Millions Year

Find the x-intercepts. -f(x) = - 5x - 1

Solve. - = 5x - 6

Determine the nature of the solutions of the equation. -1 + = -2z

Solve the equation by completing the square. - + x + 6 = 0

Solve. -A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 5 hours. If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?

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

Exponential Functions and Logarithmic Functions

Calculating Means and Medians of Data Sets

Filters