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

Solve. Round results to the nearest thousandth.
-  - 2x - 8 = 0

Accepted Answer

A)  1.060, -0.838 
B)  0.537, -0.759 
C)  0.838, -1.060 
D)  0.759, -0.537 
A)  1.060, -0.838 
B)  0.537, -0.759 
C)  0.838, -1.060 
D)  0.759, -0.537

Question 3

Solve. Give exact solutions.
-  = 100

Accepted Answer

A)  50 
B)    
C)    
D)  10 
A)  50 
B)    
C)    
D)  10

Question 4

Solve the equation by completing the square.
-  - 4x - 9 = 0

Accepted Answer

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

Question 5

Solve the problem.
-The quadratic function   fits the following data. Use the function to estimate the number of daytime accidents that occur at 60 km/h.

Accepted Answer

A)  156 per 200,000,000 kilometers driven 
B)  114 per 200,000,000 kilometers driven 
C)  78.6 per 200,000,000 kilometers driven 
D)  54 per 200,000,000 kilometers driven 
A)  156 per 200,000,000 kilometers driven 
B)  114 per 200,000,000 kilometers driven 
C)  78.6 per 200,000,000 kilometers driven 
D)  54 per 200,000,000 kilometers driven

Question 6

Solve the problem. Give the answer to the nearest tenth.
-The position of an object moving in a straight line is given by s =   - 3t, where s is in meters and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 9
Meters?

Accepted Answer

A)  3.0 sec 
B)  13.5 sec 
C)  10.0 sec 
D)  2.8 sec 
A)  3.0 sec 
B)  13.5 sec 
C)  10.0 sec 
D)  2.8 sec

Question 7

Solve.
-

Accepted Answer

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

Question 8

Write a quadratic equation having the given numbers as solutions.
-

Accepted Answer

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

Question 9

Write the word or phrase that best completes each statement or answers the question.Provide an appropriate response.
-Given the solutions of a quadratic equation, is it possible to reconstruct the original equation? Why or why not?

Accepted Answer

No. Given the solutions of a quadratic e

Question 10

Without graphing, find the line of symmetry.
-f(x) =   + 4

Accepted Answer

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

Question 11

Determine whether there is a maximum or minimum value for the given function, and find that value.
-f(x) =   - 90x - 235

Accepted Answer

A)  minimum: 0 
B)  maximum: 10 
C)  minimum: 10 
D)  maximum: -10 
A)  minimum: 0 
B)  maximum: 10 
C)  minimum: 10 
D)  maximum: -10

Question 12

Solve. Provide answers in interval notation.
-

Accepted Answer

A)    
B)    
C)  [3, 4) 
D)    
A)    
B)    
C)  [3, 4) 
D)

Question 13

Solve by completing the square.
-x2 + 4x = 7

Accepted Answer

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

Question 14

Solve. Give exact solutions.
-  = 17

Accepted Answer

A)    
B)    
C)  13 
D)    
A)    
B)    
C)  13 
D)

Question 15

Without graphing, find the vertex.
-f(x) =   - 2

Accepted Answer

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

Question 16

Graph.
-

Accepted Answer

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

Question 17

Determine whether there is a maximum or minimum value for the given function, and find that value.
-f(x) =   + 18x + 73

Accepted Answer

A)  minimum: -8 
B)  maximum: -8 
C)  maximum: 0 
D)  minimum: -9 
A)  minimum: -8 
B)  maximum: -8 
C)  maximum: 0 
D)  minimum: -9

Question 18

Solve. Give exact solutions.
-  + 3 = 172

Accepted Answer

A)    
B)  86 
C)    
D)  13 
A)    
B)  86 
C)    
D)  13

Question 19

Determine whether there is a maximum or minimum value for the given function, and find that value.
-f(x) = -   - 16x - 66

Accepted Answer

A)  minimum: 0 
B)  maximum: 2 
C)  maximum: -2 
D)  minimum: 2 
A)  minimum: 0 
B)  maximum: 2 
C)  maximum: -2 
D)  minimum: 2

Question 20

Determine the nature of the solutions of the equation.
-  = -6y - 8

Accepted Answer

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

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

Solve. Round results to the nearest thousandth. - - 2x - 8 = 0

Solve. Give exact solutions. - = 100

Solve the equation by completing the square. - - 4x - 9 = 0

Solve the problem. -The quadratic function fits the following data. Use the function to estimate the number of daytime accidents that occur at 60 km/h.

Solve the problem. Give the answer to the nearest tenth. -The position of an object moving in a straight line is given by s = - 3t, where s is in meters and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 9 Meters?

Solve. -

Write a quadratic equation having the given numbers as solutions. -

Write the word or phrase that best completes each statement or answers the question.Provide an appropriate response. -Given the solutions of a quadratic equation, is it possible to reconstruct the original equation? Why or why not?

Without graphing, find the line of symmetry. -f(x) = + 4

Determine whether there is a maximum or minimum value for the given function, and find that value. -f(x) = - 90x - 235

Solve. Provide answers in interval notation. -

Solve by completing the square. -x2 + 4x = 7

Solve. Give exact solutions. - = 17

Without graphing, find the vertex. -f(x) = - 2

Graph. -

Determine whether there is a maximum or minimum value for the given function, and find that value. -f(x) = + 18x + 73

Solve. Give exact solutions. - + 3 = 172

Determine whether there is a maximum or minimum value for the given function, and find that value. -f(x) = - - 16x - 66

Determine the nature of the solutions of the equation. - = -6y - 8

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. -

Solve. Round results to the nearest thousandth. - - 2x - 8 = 0

Solve. Give exact solutions. - = 100

Solve the equation by completing the square. - - 4x - 9 = 0

Solve the problem. -The quadratic function fits the following data. Use the function to estimate the number of daytime accidents that occur at 60 km/h.

Solve the problem. Give the answer to the nearest tenth. -The position of an object moving in a straight line is given by s = - 3t, where s is in meters and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 9 Meters?

Solve. -

Write a quadratic equation having the given numbers as solutions. -

Write the word or phrase that best completes each statement or answers the question.Provide an appropriate response. -Given the solutions of a quadratic equation, is it possible to reconstruct the original equation? Why or why not?

Without graphing, find the line of symmetry. -f(x) = + 4

Determine whether there is a maximum or minimum value for the given function, and find that value. -f(x) = - 90x - 235

Solve. Provide answers in interval notation. -

Solve by completing the square. -x2 + 4x = 7

Solve. Give exact solutions. - = 17

Without graphing, find the vertex. -f(x) = - 2

Graph. -

Determine whether there is a maximum or minimum value for the given function, and find that value. -f(x) = + 18x + 73

Solve. Give exact solutions. - + 3 = 172

Determine whether there is a maximum or minimum value for the given function, and find that value. -f(x) = - - 16x - 66

Determine the nature of the solutions of the equation. - = -6y - 8

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