Question 1

Find all real and imaginary solutions to the equation.
x-2 - 3x-1 + 5 = 0

Accepted Answer

Question 2

Terrence paddles his canoe upstream a distance of 6 miles. He completes the return trip in 30 minutes less that the upstream journey. If the current flows at 4 miles per hour, what is Terrence's speed in still water?

Accepted Answer

The answer of Terrence paddles his canoe upstream a distance...

Question 3

Use the discriminant to determine whether the given quadratic polynomial can be factored, then factor it if it is not prime.
7x2 + 7x + 9

Accepted Answer

The expres...

Question 4

The monthly profit P in dollars that Carla makes on the sale of x automobiles is determined by the formula P = x2 - 6x - 7. For what values of x is her profit positive?

Accepted Answer

Question 5

Find the imaginary solutions: x2 - 6x + 90 = 0

Accepted Answer

{3 - 9i, 3 + 9i}

Question 6

Solve the inequality. Graph the solution set.
x2 - 8x + 12 < 0

Accepted Answer

Question 7

Complete the ordered pair so that it satisfies the given equation.
y = x2 + 4x + 2, (4, )

Accepted Answer

Question 8

Solve the given inequality and express the solution in interval notation.
x2 - 4x F1F1F1S1F1F1F10 0

Accepted Answer

(-<font face="symbol"></font>, ...

Question 9

A battery manufacturing plant spends C dollars per hour to produce "D"-size batteries. An efficiency consultant has determined that C is related to the number of batteries produced per hour, x, according to the equation C(x) = 0.02x2 - 3x + 217.5. What number of batteries per hour minimizes the cost?

Accepted Answer

Question 10

Write a quadratic equation that has the solutions 8 and 1.

Accepted Answer

The answer of Write a quadratic equation that has the...

Question 11

Find the vertex for the graph of the parabola.
f(x) = x2 - 5

Accepted Answer

Question 12

Solve by factoring: x2 - 5x - 50 = 0

Accepted Answer

Question 13

Find all real and imaginary solutions to the equation.
t4 - 6561 = 0

Accepted Answer

Question 14

If an object is given an initial velocity of v0 feet per second from a height of s0 feet, then its height S after t seconds is given by the formula  . A rock is thrown into the air at 42 feet per second from a height of 21 feet. How long does it take to reach the earth?

Accepted Answer

Question 15

Graph the parabola.
y = -x2 + 4

Accepted Answer

Question 16

Find all real solutions of the given equation.
x2/3 - 3x1/3 - 10 = 0

Accepted Answer

Question 17

Solve:

Accepted Answer

The answer of Solve: ...

Question 18

Find all intercepts for the graph of the parabola.
f(x) = 49 - x2

Accepted Answer

(0, 49), (...

Question 19

Solve: (q - 6)2 = 36

Accepted Answer

Question 20

Solve using the quadratic formula: 3x2 + 5x - 1 = 0

Accepted Answer

Exam 10: Section 2: Quadratic Equations and Inequalities

Find all real and imaginary solutions to the equation. x^-2 - 3x^-1 + 5 = 0

Correct Answer
verified

Terrence paddles his canoe upstream a distance of 6 miles. He completes the return trip in 30 minutes less that the upstream journey. If the current flows at 4 miles per hour, what is Terrence's speed in still water?

Correct Answer
verified

Use the discriminant to determine whether the given quadratic polynomial can be factored, then factor it if it is not prime. 7x² + 7x + 9

Correct Answer
verified
The expres...
View Answer

The monthly profit P in dollars that Carla makes on the sale of x automobiles is determined by the formula P = x² - 6x - 7. For what values of x is her profit positive?

Correct Answer
verified

Find the imaginary solutions: x² - 6x + 90 = 0

Correct Answer
verified
{3 - 9i, 3 + 9i}

Solve the inequality. Graph the solution set. x² - 8x + 12 < 0

Correct Answer
verified
11ea9079_e2fc_4ea6_aec7_4995424bcdbe_TB3543_00

Complete the ordered pair so that it satisfies the given equation. y = x² + 4x + 2, (4, )

Correct Answer
verified

Solve the given inequality and express the solution in interval notation. x² - 4x  0

Correct Answer
verified
(-, ...
View Answer

Correct Answer
verified

Write a quadratic equation that has the solutions 8 and 1.

Correct Answer
verified

Find the vertex for the graph of the parabola. f(x) = x² - 5

Correct Answer
verified

Solve by factoring: x² - 5x - 50 = 0

Correct Answer
verified

Find all real and imaginary solutions to the equation. t⁴ - 6561 = 0

Correct Answer
verified

If an object is given an initial velocity of v₀ feet per second from a height of s₀ feet, then its height S after t seconds is given by the formula . A rock is thrown into the air at 42 feet per second from a height of 21 feet. How long does it take to reach the earth?

Correct Answer
verified

Graph the parabola. y = -x² + 4

Correct Answer
verified

Find all real solutions of the given equation. x^2/3 - 3x^1/3 - 10 = 0

Correct Answer
verified

Solve:

Correct Answer
verified

Find all intercepts for the graph of the parabola. f(x) = 49 - x²

Correct Answer
verified
(0, 49), (...
View Answer

Solve: (q - 6)² = 36

Correct Answer
verified

Solve using the quadratic formula: 3x² + 5x - 1 = 0

Correct Answer
verified
11ea9079_e2fb_6440_aec7_db20f7e5389a_TB3543_11

Exam 10: Section 2: Quadratic Equations and Inequalities

Find all real and imaginary solutions to the equation. x-2 - 3x-1 + 5 = 0

Correct AnswerverifiedShow Answer

Terrence paddles his canoe upstream a distance of 6 miles. He completes the return trip in 30 minutes less that the upstream journey. If the current flows at 4 miles per hour, what is Terrence's speed in still water?

Correct AnswerverifiedShow Answer

Use the discriminant to determine whether the given quadratic polynomial can be factored, then factor it if it is not prime. 7x2 + 7x + 9

Correct AnswerverifiedThe expres...View AnswerShow Answer

The monthly profit P in dollars that Carla makes on the sale of x automobiles is determined by the formula P = x2 - 6x - 7. For what values of x is her profit positive?

Correct AnswerverifiedShow Answer

Find the imaginary solutions: x2 - 6x + 90 = 0

Correct Answerverified{3 - 9i, 3 + 9i}

Solve the inequality. Graph the solution set. x2 - 8x + 12 < 0

Correct Answerverified11ea9079_e2fc_4ea6_aec7_4995424bcdbe_TB3543_00

Complete the ordered pair so that it satisfies the given equation. y = x2 + 4x + 2, (4, )

Correct AnswerverifiedShow Answer

Solve the given inequality and express the solution in interval notation. x2 - 4x  0

Correct Answerverified(-, ...View AnswerShow Answer

Correct AnswerverifiedShow Answer

Write a quadratic equation that has the solutions 8 and 1.

Correct AnswerverifiedShow Answer

Find the vertex for the graph of the parabola. f(x) = x2 - 5

Correct AnswerverifiedShow Answer

Solve by factoring: x2 - 5x - 50 = 0

Correct AnswerverifiedShow Answer

Find all real and imaginary solutions to the equation. t4 - 6561 = 0

Correct AnswerverifiedShow Answer

If an object is given an initial velocity of v0 feet per second from a height of s0 feet, then its height S after t seconds is given by the formula . A rock is thrown into the air at 42 feet per second from a height of 21 feet. How long does it take to reach the earth?

Correct AnswerverifiedShow Answer

Graph the parabola. y = -x2 + 4

Correct AnswerverifiedShow Answer

Find all real solutions of the given equation. x2/3 - 3x1/3 - 10 = 0

Correct AnswerverifiedShow Answer

Solve:

Correct AnswerverifiedShow Answer

Find all intercepts for the graph of the parabola. f(x) = 49 - x2

Correct Answerverified(0, 49), (...View AnswerShow Answer

Solve: (q - 6)2 = 36

Correct AnswerverifiedShow Answer

Solve using the quadratic formula: 3x2 + 5x - 1 = 0

Correct Answerverified11ea9079_e2fb_6440_aec7_db20f7e5389a_TB3543_11

Find all real and imaginary solutions to the equation. x^-2 - 3x^-1 + 5 = 0

Correct Answer
verified

Correct Answer
verified

Use the discriminant to determine whether the given quadratic polynomial can be factored, then factor it if it is not prime. 7x² + 7x + 9

Correct Answer
verified
The expres...
View Answer

The monthly profit P in dollars that Carla makes on the sale of x automobiles is determined by the formula P = x² - 6x - 7. For what values of x is her profit positive?

Correct Answer
verified

Find the imaginary solutions: x² - 6x + 90 = 0

Correct Answer
verified
{3 - 9i, 3 + 9i}

Solve the inequality. Graph the solution set. x² - 8x + 12 < 0

Correct Answer
verified
11ea9079_e2fc_4ea6_aec7_4995424bcdbe_TB3543_00

Complete the ordered pair so that it satisfies the given equation. y = x² + 4x + 2, (4, )

Correct Answer
verified

Solve the given inequality and express the solution in interval notation. x² - 4x  0

Correct Answer
verified
(-, ...
View Answer

Correct Answer
verified

Correct Answer
verified

Find the vertex for the graph of the parabola. f(x) = x² - 5

Correct Answer
verified

Solve by factoring: x² - 5x - 50 = 0

Correct Answer
verified

Find all real and imaginary solutions to the equation. t⁴ - 6561 = 0

Correct Answer
verified

If an object is given an initial velocity of v₀ feet per second from a height of s₀ feet, then its height S after t seconds is given by the formula . A rock is thrown into the air at 42 feet per second from a height of 21 feet. How long does it take to reach the earth?

Correct Answer
verified

Graph the parabola. y = -x² + 4

Correct Answer
verified

Find all real solutions of the given equation. x^2/3 - 3x^1/3 - 10 = 0

Correct Answer
verified

Correct Answer
verified

Find all intercepts for the graph of the parabola. f(x) = 49 - x²

Correct Answer
verified
(0, 49), (...
View Answer

Solve: (q - 6)² = 36

Correct Answer
verified

Solve using the quadratic formula: 3x² + 5x - 1 = 0

Correct Answer
verified
11ea9079_e2fb_6440_aec7_db20f7e5389a_TB3543_11