Question 1

Write the variation.
-s varies inversely as t.

Accepted Answer

A)  ks = t 
B)    
C)  s = kt 
D)    
A)  ks = t 
B)    
C)  s = kt 
D)

Question 2

Multiply.
-

Accepted Answer

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

Question 3

Solve the problem.
-If the resistance in an electrical circuit is held constant, the amount of current flowing through the circuit is directly proportional to the amount of voltage applied to the circuit. When 11 volts are applied to a circuit,
220 milliamperes (mA) of current flow through the circuit. Find the new current if the voltage is increased to
12 volts.

Accepted Answer

A)  260 mA 
B)  228 mA 
C)  240 mA 
D)  132 mA 
A)  260 mA 
B)  228 mA 
C)  240 mA 
D)  132 mA

Question 4

Find the least common denominator for the expression.
-

Accepted Answer

A)  t(t - 1) 
B)  t 
C)  t - 1 
D)  12 
A)  t(t - 1) 
B)  t 
C)  t - 1 
D)  12

Question 5

Add or subtract.
-

Accepted Answer

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

Question 6

Multiply.
-

Accepted Answer

A)    
B)    
C)  9z 
D)    
A)    
B)    
C)  9z 
D)

Question 7

Simplify.
-

Accepted Answer

A)    
B)  5 
C)    
D)    
A)    
B)  5 
C)    
D)

Question 8

Simplify.
-

Accepted Answer

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

Question 9

Add or subtract.
-

Accepted Answer

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

Question 10

Solve the equation and check your solution.
-

Accepted Answer

A)    
B)    
C)    
D)  x = - 2 
A)    
B)    
C)    
D)  x = - 2

Question 11

Find the quantity indicated.
-x varies inversely as v. If x = 18 when v = 7, find x when v = 21.

Accepted Answer

A)  x = 6 
B)  x = 42 
C)  x = 49 
D)  x = 3 
A)  x = 6 
B)  x = 42 
C)  x = 49 
D)  x = 3

Question 12

Add or subtract.
-

Accepted Answer

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

Question 13

Find the quantity indicated.
-f varies jointly as   and h, and f = -81 when q = 3 and h = 3. Find f when q = 2 and h = 6.

Accepted Answer

A)  f = -36 
B)  f = -12 
C)  f = -72 
D)  f = -18 
A)  f = -36 
B)  f = -12 
C)  f = -72 
D)  f = -18

Question 14

Find the least common denominator for the expression.
-

Accepted Answer

A)  (3x + 10)(10x - 5) 
B)  (x + 10)(x + 2) 
C)  x + 10 
D)  x + 2 
A)  (3x + 10)(10x - 5) 
B)  (x + 10)(x + 2) 
C)  x + 10 
D)  x + 2

Question 15

Add or subtract.
-

Accepted Answer

A)  1 
B)  0 
C)    
D)    
A)  1 
B)  0 
C)    
D)

Question 16

Add or subtract.
-

Accepted Answer

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

Question 17

Solve the equation and check your solution.
-

Accepted Answer

A)  x = 62 
B)  x = 132 
C)  x = 378 
D)  x = 413 
A)  x = 62 
B)  x = 132 
C)  x = 378 
D)  x = 413

Question 18

Find the least common denominator for the expression.
-

Accepted Answer

A)  18xy 
B)    
C)    
D)    
A)  18xy 
B)    
C)    
D)

Question 19

Multiply.
-

Accepted Answer

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

Question 20

Simplify.
-

Accepted Answer

A)    
B)  8x - 9 
C)    
D)    
A)    
B)  8x - 9 
C)    
D)

Write the variation. -s varies inversely as t.

Multiply. -

Find the least common denominator for the expression. -

Add or subtract. -

Multiply. -

Simplify. -

Simplify. -

Add or subtract. -

Solve the equation and check your solution. -

Find the quantity indicated. -x varies inversely as v. If x = 18 when v = 7, find x when v = 21.

Add or subtract. -

Find the quantity indicated. -f varies jointly as and h, and f = -81 when q = 3 and h = 3. Find f when q = 2 and h = 6.

Find the least common denominator for the expression. -

Add or subtract. -

Add or subtract. -

Solve the equation and check your solution. -

Find the least common denominator for the expression. -

Multiply. -

Simplify. -

Real Numbers

Solving Linear Equations and Inequalities

Applications of Algebra

Graphing Linear Equations

Exponents and Polynomials

Factoring

Functions and Their Graphs

Systems of Linear Equations

Inequalities in One and Two Variables

Roots, Radicals, and Complex Numbers

Quadratic Functions

Exponential and Logarithmic Functions

Conic Sections

Sequences, Series, and the Binomial Theorem

Appendix Review of Decimals and Percent

Filters

Exam 7: Rational Expressions and Equations

Write the variation. -s varies inversely as t.

Multiply. -

Find the least common denominator for the expression. -

Add or subtract. -

Multiply. -

Simplify. -

Simplify. -

Add or subtract. -

Solve the equation and check your solution. -

Find the quantity indicated. -x varies inversely as v. If x = 18 when v = 7, find x when v = 21.

Add or subtract. -

Find the quantity indicated. -f varies jointly as and h, and f = -81 when q = 3 and h = 3. Find f when q = 2 and h = 6.

Find the least common denominator for the expression. -

Add or subtract. -

Add or subtract. -

Solve the equation and check your solution. -

Find the least common denominator for the expression. -

Multiply. -

Simplify. -

Real Numbers

Solving Linear Equations and Inequalities

Applications of Algebra

Graphing Linear Equations

Exponents and Polynomials

Factoring

Functions and Their Graphs

Systems of Linear Equations

Inequalities in One and Two Variables

Roots, Radicals, and Complex Numbers

Quadratic Functions

Exponential and Logarithmic Functions

Conic Sections

Sequences, Series, and the Binomial Theorem

Appendix Review of Decimals and Percent

Filters