Question 1

Solve the formula for the indicated variable.
-PV = nRT for T

Accepted Answer

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

Question 2

Write the expression in the standard form a + bi.
-

Accepted Answer

A) 4 - 6i 
B) 4 + 6i 
C) -6 + 4i 
D) -6 - 4i 
A) 4 - 6i 
B) 4 + 6i 
C) -6 + 4i 
D) -6 - 4i

Question 3

Solve the problem.
-Inclusive of a 6.3% sales tax, a diamond ring sold for $3,082.70. Find the price of the ring before the taxwas added. (Round to the nearest cent, if necessary.)

Accepted Answer

A) $2,900 
B) $3,276.91 
C) $2,888.49 
D) $194.21 
A) $2,900 
B) $3,276.91 
C) $2,888.49 
D) $194.21

Question 4

Solve the problem.
-The formula   can be used to estimate the maximum safe velocity v, in miles per hour, at which acar can travel along a curved road with a radius of curvature r, in feet. To the nearest whole number, findthe radius of curvature if the maximum safe velocity is 35 miles per hour.

Accepted Answer

A) 490 ft 
B) 3,063 ft 
C) 196 ft 
D) 1,225 ft 
A) 490 ft 
B) 3,063 ft 
C) 196 ft 
D) 1,225 ft

Question 5

Solve the equation.
-

Accepted Answer

A)    
B)    
C)    
D) no solution 
A)    
B)    
C)    
D) no solution

Question 6

Find the real solutions, if any, of the equation. Use the quadratic formula.
-

Accepted Answer

A)    
B)    
C)    
D) no real solution 
A)    
B)    
C)    
D) no real solution

Question 7

Find the real solutions of the equation.
-

Accepted Answer

A) {3} 
B) {9} 
C)    
D)    
A) {3} 
B) {9} 
C)    
D)

Question 8

Solve the equation.
-

Accepted Answer

A)    
B)    
C) {-4} 
D)    
A)    
B)    
C) {-4} 
D)

Question 9

Solve the equation.
-

Accepted Answer

A) {-2, 2, 6} 
B) {2, 6} 
C) {-2, 2} 
D) {-2, 2, -6} 
A) {-2, 2, 6} 
B) {2, 6} 
C) {-2, 2} 
D) {-2, 2, -6}

Question 10

Solve the equation in the complex number system.
-  - 729 = 0

Accepted Answer

A)    
B)    
C) {9, -9i, 9i} 
D) {9} 
A)    
B)    
C) {9, -9i, 9i} 
D) {9}

Question 11

Write the expression in the standard form a + bi.
-

Accepted Answer

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

Question 12

Solve the problem.
-An auto repair shop charged a customer $532 to repair a car. The bill listed $92 for parts and the remainderfor labor. If the cost of labor is $55 per hour, how many hours of labor did it take to repair the car?

Accepted Answer

A) 8 hr 
B) 7 hr 
C) 9 hr 
D) 8.5 hr 
A) 8 hr 
B) 7 hr 
C) 9 hr 
D) 8.5 hr

Question 13

Perform the indicated operations and express your answer in the form a + bi.
-

Accepted Answer

A) 3i 
B)    
C) -3i 
D)    
A) 3i 
B)    
C) -3i 
D)

Question 14

Write the word or phrase that best completes each statement or answers the question.
-In his algebra class, Rob has scores of 79, 85, 81, and 65 on his first four tests. To get a grade of C, theaverage of the first five tests must be greater than or equal to 70 and less than 80. Solve an inequality tofind the range of scores that Rob can earn on the fifth test to get a C.

Accepted Answer

@#IMG-DLM& where x r

Question 15

Solve the equation.
-

Accepted Answer

A)    
B)    
C) {8} 
D) {-4} 
A)    
B)    
C) {8} 
D) {-4}

Question 16

Solve the equation.
-

Accepted Answer

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

Question 17

Find the real solutions of the equation by factoring.
-

Accepted Answer

A) {-6, 0, 6} 
B)    
C) {-6, 6} 
D) {0} 
A) {-6, 0, 6} 
B)    
C) {-6, 6} 
D) {0}

Question 18

Solve the problem.
-It costs $19 per hour plus a flat fee of $32 for a plumber to make a house call. After writing an equation forthis situation, suppose the total cost to have a plumber come to a house is $203. How many hours did theplumber work?

Accepted Answer

A) 9 hr 
B) 5 hr 
C) 20 hr 
D) 16 hr 
A) 9 hr 
B) 5 hr 
C) 20 hr 
D) 16 hr

Question 19

Solve the inequality. Express your answer using interval notation.
-

Accepted Answer

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

Question 20

Write the expression in the standard form a + bi.
-

Accepted Answer

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

Solve the formula for the indicated variable. -PV = nRT for T

Write the expression in the standard form a + bi. -

Solve the problem. -Inclusive of a 6.3% sales tax, a diamond ring sold for $3,082.70. Find the price of the ring before the taxwas added. (Round to the nearest cent, if necessary.)

Solve the problem. -The formula can be used to estimate the maximum safe velocity v, in miles per hour, at which acar can travel along a curved road with a radius of curvature r, in feet. To the nearest whole number, findthe radius of curvature if the maximum safe velocity is 35 miles per hour.

Solve the equation. -

Find the real solutions, if any, of the equation. Use the quadratic formula. -

Find the real solutions of the equation. -

Solve the equation. -

Solve the equation. -

Solve the equation in the complex number system. - - 729 = 0

Write the expression in the standard form a + bi. -

Solve the problem. -An auto repair shop charged a customer $532 to repair a car. The bill listed $92 for parts and the remainderfor labor. If the cost of labor is $55 per hour, how many hours of labor did it take to repair the car?

Perform the indicated operations and express your answer in the form a + bi. -

Solve the equation. -

Solve the equation. -

Find the real solutions of the equation by factoring. -

Solve the problem. -It costs $19 per hour plus a flat fee of $32 for a plumber to make a house call. After writing an equation forthis situation, suppose the total cost to have a plumber come to a house is $203. How many hours did theplumber work?

Solve the inequality. Express your answer using interval notation. -

Write the expression in the standard form a + bi. -

Graphs

Functions and Their Graphs

Linear and Quadratic Functions

Polynomial and Rational Functions

Exponential and Logarithmic Functions

Analytic Geometry

Systems of Equations and Inequalities

Sequences; Induction; the Binomial Theorem

Counting and Probability

Graphing Utilities

Filters

Exam 1: Equations and Inequalities

Solve the formula for the indicated variable. -PV = nRT for T

Write the expression in the standard form a + bi. -

Solve the problem. -Inclusive of a 6.3% sales tax, a diamond ring sold for $3,082.70. Find the price of the ring before the taxwas added. (Round to the nearest cent, if necessary.)

Solve the problem. -The formula can be used to estimate the maximum safe velocity v, in miles per hour, at which acar can travel along a curved road with a radius of curvature r, in feet. To the nearest whole number, findthe radius of curvature if the maximum safe velocity is 35 miles per hour.

Solve the equation. -

Find the real solutions, if any, of the equation. Use the quadratic formula. -

Find the real solutions of the equation. -

Solve the equation. -

Solve the equation. -

Solve the equation in the complex number system. - - 729 = 0

Write the expression in the standard form a + bi. -

Solve the problem. -An auto repair shop charged a customer $532 to repair a car. The bill listed $92 for parts and the remainderfor labor. If the cost of labor is $55 per hour, how many hours of labor did it take to repair the car?

Perform the indicated operations and express your answer in the form a + bi. -

Solve the equation. -

Solve the equation. -

Find the real solutions of the equation by factoring. -

Solve the problem. -It costs $19 per hour plus a flat fee of $32 for a plumber to make a house call. After writing an equation forthis situation, suppose the total cost to have a plumber come to a house is $203. How many hours did theplumber work?

Solve the inequality. Express your answer using interval notation. -

Write the expression in the standard form a + bi. -

Graphs

Functions and Their Graphs

Linear and Quadratic Functions

Polynomial and Rational Functions

Exponential and Logarithmic Functions

Analytic Geometry

Systems of Equations and Inequalities

Sequences; Induction; the Binomial Theorem

Counting and Probability

Graphing Utilities

Filters