Question 1

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

Accepted Answer

{3 - 9i, 3 + 9i}

Question 2

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

Accepted Answer

The answer of Solve the inequality. Graph the solution set. x²...

Question 3

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

Accepted Answer

The answer of Solve using the quadratic formula: 3x² +...

Question 4

Graph the parabola. y = -x² + 4

Accepted Answer

The answer of Graph the parabola. y = -x² + 4...

Question 5

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

Accepted Answer

The answer of Solve the given inequality and express the...

Question 6

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

Accepted Answer

The answer of Find all real and imaginary solutions to...

Question 7

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

Accepted Answer

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

Question 8

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 9

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

The answer of If an object is given an initial...

Question 10

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

Accepted Answer

The answer of Complete the ordered pair so that it...

Question 11

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

Accepted Answer

The answer of Find all real and imaginary solutions to...

Question 12

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 answer of Use the discriminant to determine whether the...

Question 13

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

Accepted Answer

The answer of Find all intercepts for the graph of...

Question 14

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

Accepted Answer

The answer of Find all real solutions of the given...

Question 15

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

Accepted Answer

The answer of Find the vertex for the graph of...

Question 16

Solve by factoring: x² - 5x - 50 = 0

Accepted Answer

The answer of Solve by factoring: x² - 5x -...

Question 17

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

The answer of The monthly profit P in dollars that...

Question 18

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

The answer of A battery manufacturing plant spends C dollars...

Question 19

Solve:

Accepted Answer

The answer of Solve: ...

Question 20

Solve: (q - 6)² = 36

Accepted Answer

The answer of Solve: (q - 6)² = 36...

Exam 10: Section 2: Quadratic Equations and Inequalities

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

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

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

Graph the parabola. y = -x² + 4

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

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

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

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?

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?

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

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

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

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

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

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

Solve by factoring: x² - 5x - 50 = 0

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?

Solve:

Solve: (q - 6)² = 36

Exam 10: Section 2: Quadratic Equations and Inequalities

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

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

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

Graph the parabola. y = -x2 + 4

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

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

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

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?

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?

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

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

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

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

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

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

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

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?

Solve:

Solve: (q - 6)2 = 36

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

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

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

Graph the parabola. y = -x² + 4

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

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

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?

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

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

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

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

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

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

Solve by factoring: x² - 5x - 50 = 0

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?

Solve: (q - 6)² = 36