Question 1

Identify the equation as an identity, a contradiction, or a conditional equation. If conditional, state the solution. 2x + 10(-x - 7) = -54 - 4(2x + 3)

Accepted Answer

A)  Identity 
B)  Contradiction 
C)  Conditional;   
D)  Conditional;   
A)  Identity 
B)  Contradiction 
C)  Conditional;   
D)  Conditional;

Question 2

Solve the absolute value inequality. Write the solution in interval notation. |x + 6| ? 6

Accepted Answer

A)  (-$\infty$ -12) $\cup$ (0, $\infty$) 
B)  (-$\infty$, -12] $\cup$ [0, $\infty$) 
C)  (-12, 0) 
D)  [-12, 0] 
A)  (-$\infty$ -12) $\cup$ (0, $\infty$) 
B)  (-$\infty$, -12] $\cup$ [0, $\infty$) 
C)  (-12, 0) 
D)  [-12, 0]

Question 3

An arithmetic student needs at least a 70% average to receive credit for the course. If she scored 70%, 64%, and 72% on the first three exams, what score must she get on the fourth exam to receive credit for the course?

Accepted Answer

A)  x ≥ 72% 
B)  x ≥ 74% 
C)  x ≥ 76% 
D)  x ≥ 79% 
A)  x ≥ 72% 
B)  x ≥ 74% 
C)  x ≥ 76% 
D)  x ≥ 79%

Question 4

Perform the subtraction. Write the result in a + bi form. (-5 - 2i) - (-8 - 4i)

Accepted Answer

A)  3 + 2i 
B)  3 - 6i 
C)  -3i 
D)  5i 
A)  3 + 2i 
B)  3 - 6i 
C)  -3i 
D)  5i

Question 5

Solve using the square root property of equality. Write answers in exact form and approximate form rounded to hundredths. If there are no real solutions, so state.
x2 - 50 = 0

Accepted Answer

Question 6

Solve by completing the square. Write your answer in exact form. x2 = 5x + 2

Accepted Answer

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

Question 7

Determine the allowable value(s) for the expression. Write your answer in interval notation.

Accepted Answer

n @#LAT-DLM& (-?, -8

Question 8

Give the total amount of the mix that results and the worth per pound of the mix when 8 pounds of nuts worth $1.20 per pound are mixed with 8 pounds of nuts worth $4.20 per pound.

Accepted Answer

16 pounds,

Question 9

Simplify using powers of i. i47

Accepted Answer

A)  1 
B)  -1 
C)  i 
D)  -i 
A)  1 
B)  -1 
C)  i 
D)  -i

Question 10

Simplify the radical, if possible. If imaginary, rewrite in terms of i and simplify.

Accepted Answer

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

Question 11

Solve using the most efficient method. x2 - 9x = -14

Accepted Answer

A)  x = -7, x = -2 
B)  x = 7, x = -2 
C)  x = -7, x = 2 
D)  x = 7, x = 2 
A)  x = -7, x = -2 
B)  x = 7, x = -2 
C)  x = -7, x = 2 
D)  x = 7, x = 2

Question 12

Solve using the most efficient method.

Accepted Answer

The answer of Solve using the most efficient method. ...

Question 13

Solve.

Accepted Answer

A)  x = 6, x = 3 
B)  x = 6, x = -3 
C)  x = 3 
D)  x = -3 
A)  x = 6, x = 3 
B)  x = 6, x = -3 
C)  x = 3 
D)  x = -3

Question 14

Solve the absolute value inequality. Write the solution in interval notation.
|x + 2| > 9

Accepted Answer

The answer of Solve the absolute value inequality. Write the...

Question 15

Solve.

Accepted Answer

The answer of Solve.  ...

Question 16

Simplify using powers of i. i64

Accepted Answer

A)  1 
B)  -1 
C)  i 
D)  -i 
A)  1 
B)  -1 
C)  i 
D)  -i

Question 17

Graph the inequality on a number line. -4 ≤ y < 1

Accepted Answer

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

Question 18

Simplify using powers of i. i46

Accepted Answer

A)  1 
B)  -1 
C)  i 
D)  -i 
A)  1 
B)  -1 
C)  i 
D)  -i

Question 19

Solve.

Accepted Answer

A)  y = 16 
B)  y = -16 
C)  y = 16, 12 
D)  y = -16, 12 
A)  y = 16 
B)  y = -16 
C)  y = 16, 12 
D)  y = -16, 12

Question 20

Solve using the square root property of equality. Write answers in exact form. If there are no real solutions, so state. (x - 2)2 + 10 = 4

Accepted Answer

A)    
B)    
C)    
D)  no real solutions 
A)    
B)    
C)    
D)  no real solutions

Identify the equation as an identity, a contradiction, or a conditional equation. If conditional, state the solution. 2x + 10(-x - 7) = -54 - 4(2x + 3)

Solve the absolute value inequality. Write the solution in interval notation. |x + 6| ? 6

An arithmetic student needs at least a 70% average to receive credit for the course. If she scored 70%, 64%, and 72% on the first three exams, what score must she get on the fourth exam to receive credit for the course?

Perform the subtraction. Write the result in a + bi form. (-5 - 2i) - (-8 - 4i)

Solve using the square root property of equality. Write answers in exact form and approximate form rounded to hundredths. If there are no real solutions, so state. x² - 50 = 0

Solve by completing the square. Write your answer in exact form. x² = 5x + 2

Determine the allowable value(s) for the expression. Write your answer in interval notation.

Give the total amount of the mix that results and the worth per pound of the mix when 8 pounds of nuts worth $1.20 per pound are mixed with 8 pounds of nuts worth $4.20 per pound.

Simplify using powers of i. i⁴⁷

Simplify the radical, if possible. If imaginary, rewrite in terms of i and simplify.

Solve using the most efficient method. x² - 9x = -14

Solve using the most efficient method.

Solve.

Solve the absolute value inequality. Write the solution in interval notation. |x + 2| > 9

Solve.

Simplify using powers of i. i⁶⁴

Graph the inequality on a number line. -4 ≤ y < 1

Simplify using powers of i. i⁴⁶

Solve.

Solve using the square root property of equality. Write answers in exact form. If there are no real solutions, so state. (x - 2)² + 10 = 4

Relations, Functions and Graphs

Polynomial and Rational Functions

Exponential and Logarithmic Functions

Introduction to Trigonometric Functions

Trigonometric Identities, Inverses, and Equations

Applications of Trigonometry

Systems of Equations and Inequalities

Analytical Geometry

Additional Topics in Algebra

Bridges to Calculus - an Introduction to Limits

Review of Basic Concepts and Skills

Filters

Exam 1: Equations and Inequalities

Identify the equation as an identity, a contradiction, or a conditional equation. If conditional, state the solution. 2x + 10(-x - 7) = -54 - 4(2x + 3)

Solve the absolute value inequality. Write the solution in interval notation. |x + 6| ? 6

An arithmetic student needs at least a 70% average to receive credit for the course. If she scored 70%, 64%, and 72% on the first three exams, what score must she get on the fourth exam to receive credit for the course?

Perform the subtraction. Write the result in a + bi form. (-5 - 2i) - (-8 - 4i)

Solve using the square root property of equality. Write answers in exact form and approximate form rounded to hundredths. If there are no real solutions, so state. x2 - 50 = 0

Solve by completing the square. Write your answer in exact form. x2 = 5x + 2

Determine the allowable value(s) for the expression. Write your answer in interval notation.

Give the total amount of the mix that results and the worth per pound of the mix when 8 pounds of nuts worth $1.20 per pound are mixed with 8 pounds of nuts worth $4.20 per pound.

Simplify using powers of i. i47

Simplify the radical, if possible. If imaginary, rewrite in terms of i and simplify.

Solve using the most efficient method. x2 - 9x = -14

Solve using the most efficient method.

Solve.

Solve the absolute value inequality. Write the solution in interval notation. |x + 2| > 9

Solve.

Simplify using powers of i. i64

Graph the inequality on a number line. -4 ≤ y < 1

Simplify using powers of i. i46

Solve.

Solve using the square root property of equality. Write answers in exact form. If there are no real solutions, so state. (x - 2)2 + 10 = 4

Relations, Functions and Graphs

Polynomial and Rational Functions

Exponential and Logarithmic Functions

Introduction to Trigonometric Functions

Trigonometric Identities, Inverses, and Equations

Applications of Trigonometry

Systems of Equations and Inequalities

Analytical Geometry

Additional Topics in Algebra

Bridges to Calculus - an Introduction to Limits

Review of Basic Concepts and Skills

Filters

Solve using the square root property of equality. Write answers in exact form and approximate form rounded to hundredths. If there are no real solutions, so state. x² - 50 = 0

Solve by completing the square. Write your answer in exact form. x² = 5x + 2

Simplify using powers of i. i⁴⁷

Solve using the most efficient method. x² - 9x = -14

Simplify using powers of i. i⁶⁴

Simplify using powers of i. i⁴⁶

Solve using the square root property of equality. Write answers in exact form. If there are no real solutions, so state. (x - 2)² + 10 = 4