Question 1

Simplify.
-

Accepted Answer

A)    
B)  10 
C)  3k 
D)    
A)    
B)  10 
C)  3k 
D)

Question 2

Simplify.
-

Accepted Answer

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

Question 3

Divide and simplify.
-

Accepted Answer

A)  7 
B)    
C)    
D)    
A)  7 
B)    
C)    
D)

Question 4

Solve the equation.
-

Accepted Answer

A)  - 2 
B)    
C)  2 
D)  No solution 
A)  - 2 
B)    
C)  2 
D)  No solution

Question 5

Solve.
-The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. If   , what is the volume when

Accepted Answer

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

Question 6

Subtract. Simplify, if possible.
-

Accepted Answer

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

Question 7

Subtract. Simplify, if possible.
-

Accepted Answer

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

Question 8

Find an equation of variation in which the following are true.
-x varies inversely as   , and x = 7 when y = 15.

Accepted Answer

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

Question 9

Multiply. Do not simplify.
-

Accepted Answer

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

Question 10

Simplify.
-

Accepted Answer

A)  16 
B)  1 
C)    
D)    
A)  16 
B)  1 
C)    
D)

Question 11

Find all numbers for which the rational expression is not defined.
-

Accepted Answer

A)  d = 2, 5 
B)  d = -2 
C)  d = 2 
D)  None 
A)  d = 2, 5 
B)  d = -2 
C)  d = 2 
D)  None

Question 12

Solve the equation.
-

Accepted Answer

A)  -10 
B)  -3, -10 
C)  -2, 5 
D)  2, -5 
A)  -10 
B)  -3, -10 
C)  -2, 5 
D)  2, -5

Question 13

Simplify.
-

Accepted Answer

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

Question 14

Solve.
-At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.84 ohm when the diameter is 1 mm and the length is 210 cm, what is the
Resistance when the diameter is 2 mm and the length is 530 cm?

Accepted Answer

A)  0.53 ohm 
B)  111.3 ohm 
C)  1.06 ohm 
D)  132.5 ohm 
A)  0.53 ohm 
B)  111.3 ohm 
C)  1.06 ohm 
D)  132.5 ohm

Question 15

Divide and simplify.
-

Accepted Answer

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

Question 16

Solve.
-The volume of wood in a tree varies jointly as the height of the tree and the square of the distance around the tree trunk. If the volume of wood is 15.84 cubic feet when the height is 22 feet and the distance around the trunk Is 3 feet, what is the volume of wood obtained from a tree that is 33 feet tall having a measurement of 5 feet Around the trunk?

Accepted Answer

A)  75 cubic feet 
B)  70 cubic feet 
C)  58 cubic feet 
D)  66 cubic feet 
A)  75 cubic feet 
B)  70 cubic feet 
C)  58 cubic feet 
D)  66 cubic feet

Question 17

Solve the equation.
-

Accepted Answer

A)  8 
B)  0 
C)  4 
D)  No solution 
A)  8 
B)  0 
C)  4 
D)  No solution

Question 18

Subtract. Simplify, if possible.
-

Accepted Answer

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

Question 19

Subtract. Simplify, if possible.
-

Accepted Answer

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

Question 20

Find all numbers for which the rational expression is not defined.
-

Accepted Answer

A)  None 
B)  a = 9 
C)  a = -9 
D)  a = 0 
A)  None 
B)  a = 9 
C)  a = -9 
D)  a = 0

Simplify. -

Simplify. -

Divide and simplify. -

Solve the equation. -

Solve. -The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. If , what is the volume when

Subtract. Simplify, if possible. -

Subtract. Simplify, if possible. -

Find an equation of variation in which the following are true. -x varies inversely as , and x = 7 when y = 15.

Multiply. Do not simplify. -

Simplify. -

Find all numbers for which the rational expression is not defined. -

Solve the equation. -

Simplify. -

Solve. -At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.84 ohm when the diameter is 1 mm and the length is 210 cm, what is the Resistance when the diameter is 2 mm and the length is 530 cm?

Divide and simplify. -

Solve the equation. -

Subtract. Simplify, if possible. -

Subtract. Simplify, if possible. -

Find all numbers for which the rational expression is not defined. -

Introduction

Introduction to Real Numbers and Algebraic Expressions

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Graphs, Functions, and Applications

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Calculating Means and Medians of Data Sets

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Exam 7: Rational Expressions and Equations

Simplify. -

Simplify. -

Divide and simplify. -

Solve the equation. -

Solve. -The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. If , what is the volume when

Subtract. Simplify, if possible. -

Subtract. Simplify, if possible. -

Find an equation of variation in which the following are true. -x varies inversely as , and x = 7 when y = 15.

Multiply. Do not simplify. -

Simplify. -

Find all numbers for which the rational expression is not defined. -

Solve the equation. -

Simplify. -

Solve. -At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.84 ohm when the diameter is 1 mm and the length is 210 cm, what is the Resistance when the diameter is 2 mm and the length is 530 cm?

Divide and simplify. -

Solve the equation. -

Subtract. Simplify, if possible. -

Subtract. Simplify, if possible. -

Find all numbers for which the rational expression is not defined. -

Introduction

Introduction to Real Numbers and Algebraic Expressions

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Graphs, Functions, and Applications

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Calculating Means and Medians of Data Sets

Filters