Question 1

Graph.
-

Accepted Answer

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

Question 2

Solve. Provide answers in interval notation.
-(a - 5)(a - 6)(a - 9) > 0

Accepted Answer

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

Question 3

Solve. Provide answers in interval notation.
-  + 16x + 64 < 0

Accepted Answer

A)    
B)    
C)  No solution 
D)    
A)    
B)    
C)  No solution 
D)

Question 4

Solve.
-  = -16x - 1

Accepted Answer

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

Question 5

Find the quadratic function that fits the set of data points.
-(4, -4), (-6, 296), (8, 44)

Accepted Answer

A)    + 24x - 4 
B)    - 4x - 4 
C)    - 24x + 44 
D)    - 24x - 44 
A)    + 24x - 4 
B)    - 4x - 4 
C)    - 24x + 44 
D)    - 24x - 44

Question 6

Solve. Provide answers in interval notation.
-(b + 9)(b + 7)(b + 4) < 0

Accepted Answer

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

Question 7

Solve.
-Bob owns a watch repair shop. He has found that the cost of operating his shop is given by c =   - 196x + 67, where c is the cost in dollars, and x is the number of watches repaired. How many watches must he repair to
Have the lowest cost?

Accepted Answer

A)  33 watches 
B)  20 watches 
C)  67 watches 
D)  49 watches 
A)  33 watches 
B)  20 watches 
C)  67 watches 
D)  49 watches

Question 8

Write the word or phrase that best completes each statement or answers the question.Provide an appropriate response.
-When using the quadratic formula, why is it necessary only to examine the discriminant to determine if the equation has real-number solutions?

Accepted Answer

@#IMG-DLM& , then the radicand in the qu

Question 9

Solve.
-

Accepted Answer

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

Question 10

Solve.
-

Accepted Answer

A)    
B)    
C)    
D)  4 
A)    
B)    
C)    
D)  4

Question 11

Write the word or phrase that best completes each statement or answers the question.Provide an appropriate response.
-Explain why   c have the same x-intercepts.

Accepted Answer

Since @#IMG-DLM& are equivalen

Question 12

Find the x-intercepts of the function.
-

Accepted Answer

A)  (0.36, 0) 
B)  (0.36, 0), (-4, 0) 
C)  (0.6, 0), (-2, 0) 
D)  (0.6, 0) 
A)  (0.36, 0) 
B)  (0.36, 0), (-4, 0) 
C)  (0.6, 0), (-2, 0) 
D)  (0.6, 0)

Question 13

Solve. Give exact solutions.
-  + 36 = 0

Accepted Answer

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

Question 14

Without graphing, find the line of symmetry.
-f(x) =   - 1

Accepted Answer

A)  x = 1 
B)  x = 6 
C)  x = 8 
D)  x = -7 
A)  x = 1 
B)  x = 6 
C)  x = 8 
D)  x = -7

Question 15

Find the x-intercepts.
-f(x) =   - 32x + 4

Accepted Answer

A)  No x-intercepts 
B)    
C)    
D)    
A)  No x-intercepts 
B)    
C)    
D)

Question 16

Without graphing, find the vertex.
-f(x) =   - 7

Accepted Answer

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

Question 17

Solve.
-Which of the pairs of numbers whose sum is 74 has the largest product?

Accepted Answer

A)  37 and 37 
B)  32 and 42 
C)  27 and 47 
D)  36 and 38 
A)  37 and 37 
B)  32 and 42 
C)  27 and 47 
D)  36 and 38

Question 18

Solve. Round results to the nearest thousandth.
-  - 6x = 2

Accepted Answer

A)  0.291, -2.291 
B)  2.291, -0.291 
C)  4.582, -0.582 
D)  1.577, 0.423 
A)  0.291, -2.291 
B)  2.291, -0.291 
C)  4.582, -0.582 
D)  1.577, 0.423

Question 19

Solve the problem.
-Use a quadratic function to estimate the number of daytime accidents that occur at 70 km/h.

Accepted Answer

A)  363.75 per 200,000,000 kilometers driven 
B)  -79.875 per 200,000,000 kilometers driven 
C)  -8.75 per 200,000,000 kilometers driven 
D)  101.25 per 200,000,000 kilometers driven 
A)  363.75 per 200,000,000 kilometers driven 
B)  -79.875 per 200,000,000 kilometers driven 
C)  -8.75 per 200,000,000 kilometers driven 
D)  101.25 per 200,000,000 kilometers driven

Question 20

Solve.
-3 =

Accepted Answer

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

Graph. -

Solve. Provide answers in interval notation. -(a - 5)(a - 6)(a - 9) > 0

Solve. Provide answers in interval notation. - + 16x + 64 < 0

Solve. - = -16x - 1

Find the quadratic function that fits the set of data points. -(4, -4), (-6, 296), (8, 44)

Solve. Provide answers in interval notation. -(b + 9)(b + 7)(b + 4) < 0

Solve. -Bob owns a watch repair shop. He has found that the cost of operating his shop is given by c = - 196x + 67, where c is the cost in dollars, and x is the number of watches repaired. How many watches must he repair to Have the lowest cost?

Write the word or phrase that best completes each statement or answers the question.Provide an appropriate response. -When using the quadratic formula, why is it necessary only to examine the discriminant to determine if the equation has real-number solutions?

Solve. -

Solve. -

Write the word or phrase that best completes each statement or answers the question.Provide an appropriate response. -Explain why c have the same x-intercepts.

Find the x-intercepts of the function. -

Solve. Give exact solutions. - + 36 = 0

Without graphing, find the line of symmetry. -f(x) = - 1

Find the x-intercepts. -f(x) = - 32x + 4

Without graphing, find the vertex. -f(x) = - 7

Solve. -Which of the pairs of numbers whose sum is 74 has the largest product?

Solve. Round results to the nearest thousandth. - - 6x = 2

Solve the problem. -Use a quadratic function to estimate the number of daytime accidents that occur at 70 km/h.

Solve. -3 =

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

Graph. -

Solve. Provide answers in interval notation. -(a - 5)(a - 6)(a - 9) > 0

Solve. Provide answers in interval notation. - + 16x + 64 < 0

Solve. - = -16x - 1

Find the quadratic function that fits the set of data points. -(4, -4), (-6, 296), (8, 44)

Solve. Provide answers in interval notation. -(b + 9)(b + 7)(b + 4) < 0

Solve. -Bob owns a watch repair shop. He has found that the cost of operating his shop is given by c = - 196x + 67, where c is the cost in dollars, and x is the number of watches repaired. How many watches must he repair to Have the lowest cost?

Write the word or phrase that best completes each statement or answers the question.Provide an appropriate response. -When using the quadratic formula, why is it necessary only to examine the discriminant to determine if the equation has real-number solutions?

Solve. -

Solve. -

Write the word or phrase that best completes each statement or answers the question.Provide an appropriate response. -Explain why c have the same x-intercepts.

Find the x-intercepts of the function. -

Solve. Give exact solutions. - + 36 = 0

Without graphing, find the line of symmetry. -f(x) = - 1

Find the x-intercepts. -f(x) = - 32x + 4

Without graphing, find the vertex. -f(x) = - 7

Solve. -Which of the pairs of numbers whose sum is 74 has the largest product?

Solve. Round results to the nearest thousandth. - - 6x = 2

Solve the problem. -Use a quadratic function to estimate the number of daytime accidents that occur at 70 km/h.

Solve. -3 =

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