Question 1

Solve for   .

Accepted Answer

The answer of Solve for   .  ...

Question 2

Write the equation of the line with the slope   and y -intercept   .

Accepted Answer

The answer of Write the equation of the line with...

Question 3

The volume of a gas is inversely proportional to the pressure. If a pressure of 27 pounds per square inch corresponds to a volume of 40 cubic feet, what pressure is needed to produce a volume of 120 cubic feet?

Accepted Answer

A)  9 pounds per square inch 
B)  81 pounds per square inch 
C)  11 pounds per square inch 
D)  84 pounds per square inch 
E)  12 pounds per square inch 
A)  9 pounds per square inch 
B)  81 pounds per square inch 
C)  11 pounds per square inch 
D)  84 pounds per square inch 
E)  12 pounds per square inch

Question 4

Let   and   . Find the function   .

Accepted Answer

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

Question 5

r is inversely proportion to s . If r is 6 when s is 6, find s when r is 216.

Accepted Answer

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

Question 6

d varies directly with the square of r . If d = 15 when r = 3, find d when r = 9.

Accepted Answer

A)  d = 2 
B)  d = 135 
C)  d = 68 
D)  d = 23 
E)  d = 45 
A)  d = 2 
B)  d = 135 
C)  d = 68 
D)  d = 23 
E)  d = 45

Question 7

Give the slope and y -intercept for the following equation. Sketch the graph using the slope and y -intercept. Give the slope of any line perpendicular to the given line.

Accepted Answer

A)    Slope =   y -intercept =   perpendicular slope =   
B)    Slope =   y -intercept =   perpendicular slope =   
C)    Slope =   y -intercept =   perpendicular slope =   
D)    Slope =   y -intercept =   perpendicular slope =   
A)    Slope =   y -intercept =   perpendicular slope =   
B)    Slope =   y -intercept =   perpendicular slope =   
C)    Slope =   y -intercept =   perpendicular slope =   
D)    Slope =   y -intercept =   perpendicular slope =

Question 8

r is inversely proportional to s . If r is - 3 when s is 20, find r when s is 5. r = __________

Accepted Answer

The answer of r is inversely proportional to s ....

Question 9

Find the equation of the line that passes through the pair of points. Write your answer in standard form.

Accepted Answer

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

Question 10

Straight-line depreciation is an accounting method used to help spread the cost of new equipment over a number of years. It takes into account both the cost when new and the salvage value, which is the value of the equipment at the time it gets replaced. The function   where V is value and t is time in years, can be used to find the value of a large copy machine during the first 7 years of use. After how many years will the copier be worth only $6,000? Round your answer to the nearest hundredth.

Accepted Answer

A)  4.62 years 
B)  7.00 years 
C)  5.59 years 
D)  6.12 years 
E)  6.93 years 
A)  4.62 years 
B)  7.00 years 
C)  5.59 years 
D)  6.12 years 
E)  6.93 years

Question 11

A rectangle is 4 inches longer than it is wide. Let x = the width, P = the perimeter and A = the area of the rectangle. Write an equation that will give the perimeter P in terms of the width x of the rectangle.

Accepted Answer

The answer of A rectangle is 4 inches longer than...

Question 12

y varies inversely with the square of x . If y = 50 when x = 5, find y when x is 2.

Accepted Answer

The answer of y varies inversely with the square of...

Question 13

Does the graph represent a function?

Accepted Answer

A)  yes 
B)  no 
A)  yes 
B)  no

Question 14

Given f ( x ) = x 2 - 3 x - 10 and g ( x ) = x - 4, find the following.

Accepted Answer

The answer of Given f ( x ) = x...

Question 15

Find the equation of the line with x -intercept 9 and y -intercept 2.

Accepted Answer

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

Question 16

Find the slope of the line from the graph.

Accepted Answer

The answer of Find the slope of the line from...

Question 17

Find the equation of the line that passes through the pair of points. Write your answer in standard form.

Accepted Answer

The answer of Find the equation of the line that...

Question 18

Let   Evaluate

Accepted Answer

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

Question 19

Let   and   Evaluate     __________

Accepted Answer

The answer of Let   and   Evaluate...

Question 20

Let   Evaluate

Accepted Answer

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

Solve for .

Write the equation of the line with the slope and y -intercept .

The volume of a gas is inversely proportional to the pressure. If a pressure of 27 pounds per square inch corresponds to a volume of 40 cubic feet, what pressure is needed to produce a volume of 120 cubic feet?

Let and . Find the function .

r is inversely proportion to s . If r is 6 when s is 6, find s when r is 216.

d varies directly with the square of r . If d = 15 when r = 3, find d when r = 9.

Give the slope and y -intercept for the following equation. Sketch the graph using the slope and y -intercept. Give the slope of any line perpendicular to the given line.

r is inversely proportional to s . If r is - 3 when s is 20, find r when s is 5. r = __________

Find the equation of the line that passes through the pair of points. Write your answer in standard form.

A rectangle is 4 inches longer than it is wide. Let x = the width, P = the perimeter and A = the area of the rectangle. Write an equation that will give the perimeter P in terms of the width x of the rectangle.

y varies inversely with the square of x . If y = 50 when x = 5, find y when x is 2.

Does the graph represent a function?

Given f ( x ) = x 2 - 3 x - 10 and g ( x ) = x - 4, find the following.

Find the equation of the line with x -intercept 9 and y -intercept 2.

Find the slope of the line from the graph.

Find the equation of the line that passes through the pair of points. Write your answer in standard form.

Let Evaluate

Let and Evaluate __________

Let Evaluate

Notation and Symbols

Simplifying Expressions

Paired Data and Graphing Ordered Pairs

Multiplication With Exponents

The Greatest Common Factor and Factoring by Grouping

Reducing Rational Expressions to Lowest Terms

Review of Solving Equations

Rational Exponents

Completing the Square

Exponential Functions

The Circle

Sequences

Filters

Exam 8: The Slope of a Line

Solve for .

Write the equation of the line with the slope and y -intercept .

The volume of a gas is inversely proportional to the pressure. If a pressure of 27 pounds per square inch corresponds to a volume of 40 cubic feet, what pressure is needed to produce a volume of 120 cubic feet?

Let and . Find the function .

r is inversely proportion to s . If r is 6 when s is 6, find s when r is 216.

d varies directly with the square of r . If d = 15 when r = 3, find d when r = 9.

Give the slope and y -intercept for the following equation. Sketch the graph using the slope and y -intercept. Give the slope of any line perpendicular to the given line.

r is inversely proportional to s . If r is - 3 when s is 20, find r when s is 5. r = __________

Find the equation of the line that passes through the pair of points. Write your answer in standard form.

A rectangle is 4 inches longer than it is wide. Let x = the width, P = the perimeter and A = the area of the rectangle. Write an equation that will give the perimeter P in terms of the width x of the rectangle.

y varies inversely with the square of x . If y = 50 when x = 5, find y when x is 2.

Does the graph represent a function?

Given f ( x ) = x 2 - 3 x - 10 and g ( x ) = x - 4, find the following.

Find the equation of the line with x -intercept 9 and y -intercept 2.

Find the slope of the line from the graph.

Find the equation of the line that passes through the pair of points. Write your answer in standard form.

Let Evaluate

Let and Evaluate __________

Let Evaluate

Notation and Symbols

Simplifying Expressions

Paired Data and Graphing Ordered Pairs

Multiplication With Exponents

The Greatest Common Factor and Factoring by Grouping

Reducing Rational Expressions to Lowest Terms

Review of Solving Equations

Rational Exponents

Completing the Square

Exponential Functions

The Circle

Sequences

Filters