-4, 5/2
10(x - 3)(x + 3)
(5x - 1) cm by (5x - 1) cm
(2x + 9)(3x + 14)
2(a + 1)(6a - 7)
2(a - 4)2
-8.69, 0.69
(x - 70) ft
1250 ft2
a. The projectile represented by the equation goes higher by 28 feet.
b. equation: t = 0.27 s and t = 3.73 s; table: t = 0.38 s and t = 2.62 s
100(9x - 10)(9x + 10)
4 cm by 9 cm by 9 cm
about 3.6 ft
-4, 7/2
9(x + 2)(x - 2)
(x + 12)(x - 3)
about 10.5 s
$100; $25,000
360 ft
(0.5t + 0.4)(0.5t - 0.4)
3(2x+3)2
-1, 10/3
-3/2, -2/3
-6(z2 + 100)
4 ft
Solve the following Quadratic Equation:
x2 + 2x = 6 - 6x
Factor the following quadratic expression:
3(2a - 3)2 + 17(2a - 3) + 10
Suppose you work for a packaging company and are designing a box that has a rectangular bottom with a perimeter of 36 cm. The box must be 4 cm high. What dimensions give the maximum volume?
Factor the following Quadratic Expression:
2a2 - 16a + 32
6(x + 5)2 - 5(x + 5) + 1
A town is planning a playground. It wants to fence in a rectangular space using an existing wall. What is the greatest area it can fence using 100 ft of donated fencing?
The period of a pendulum is the time the pendulum takes to sqing back and forth. The function L = 0.81t2 relates the length L in feet of a pendulum to the time t in seconds that it takes to sqing back and forth. A convention center has a pendulum that is 90 feet long. Find the period.
2x2 + 8x = 5x + 20
Suppose you have an outdoor pool measuring 25 ft by 10ft. You want to add a cement walkway around the pool. If the walkway will be 1 ft thick and you have 304 ft3 of cement, how wide should the walkway be?
The height of a projectile fired straight up in the air with an initial velocity of 64 ft/s is h = 64t - 16t2, where h is height in feet and t is time in seconds. The table represents the data for another projectile.
a. Which projectile goes higher? How much higher?
b. At what times t will each projectile be at a height of 16 feet?
Time(t) Height (h)
0.5 20
1 32
1.5 36
2 32 |
|
Solve the following Quadratic Equation:
6x2 + 13x + 6 = 0
The area in square feet of a rectangular field is x2 - 120 x + 3500. The width, in feet, is x - 50. What is the length, in feet?
A model for a company's revenue from selling a software package is R = -2.5p2 + 500p, where p is the price in dollars of the software. What price will maximize revenue? What is the maximum revenue?
Factor the following Quadratic Expression:
-6z2 - 600
Solve the following quadratic equation:
7x - 3x2 = -10
The area in square centimeters of a square area rug is 25x2 - 10x + 1. What are the dimensions of the rug in terms of x?
Factor the following quadratic expression:
8100x2 - 10,000
Factor the following Quadratic Expression:
12x2 + 36x + 27
Solve the following Quadratic Equation:
2x2 + x - 28 = 0
The New River Gorge Bridge in West Virginia is the world's largest steel single arch bridge. You can model the arch with the function y = -0.000498x2 + 0.847x, where x and y are in feet. How high above the river is the arch?
Factor the following Quadratic Expression:
10x2 - 90
Factor the Quadratic Expression:
9x2 - 36
Factor the quadratic expression:
.25t2 - .16
Factor the folowing quadratic expression:
(x + 3)2 + 3(x + 3) - 54
The Zhaozhou Bridge in China is the oldest known arch bridge, dating to A.D. 605. You can model the support arch with the function f(x) = -0.001075x2 + 0.131148x, where x and y are measured in feet. How high is the arch above its supports?
Description | Match: | ||||||||||
Factor the Quadratic Expression: 9x2 - 36 | 9(x + 2)(x - 2) | ||||||||||
Factor the following Quadratic Expression: 12x2 + 36x + 27 | 3(2x+3)2 | ||||||||||
Factor the following Quadratic Expression: 2a2 - 16a + 32 | 2(a - 4)2 | ||||||||||
Factor the following Quadratic Expression: -6z2 - 600 | -6(z2 + 100) | ||||||||||
Factor the following Quadratic Expression: 10x2 - 90 | 10(x - 3)(x + 3) | ||||||||||
Solve the following Quadratic Equation: x2 + 2x = 6 - 6x | -8.69, 0.69 | ||||||||||
Solve the following Quadratic Equation: 6x2 + 13x + 6 = 0 | -3/2, -2/3 | ||||||||||
Solve the following Quadratic Equation: 2x2 + x - 28 = 0 | -4, 7/2 | ||||||||||
2x2 + 8x = 5x + 20 | -4, 5/2 | ||||||||||
Solve the following quadratic equation: 7x - 3x2 = -10 | -1, 10/3 | ||||||||||
Factor the quadratic expression: .25t2 - .16 | (0.5t + 0.4)(0.5t - 0.4) | ||||||||||
Factor the following quadratic expression: 8100x2 - 10,000 | 100(9x - 10)(9x + 10) | ||||||||||
Factor the folowing quadratic expression: (x + 3)2 + 3(x + 3) - 54 | (x + 12)(x - 3) | ||||||||||
6(x + 5)2 - 5(x + 5) + 1 | (2x + 9)(3x + 14) | ||||||||||
Factor the following quadratic expression: 3(2a - 3)2 + 17(2a - 3) + 10 | 2(a + 1)(6a - 7) | ||||||||||
The area in square centimeters of a square area rug is 25x2 - 10x + 1. What are the dimensions of the rug in terms of x? | (5x - 1) cm by (5x - 1) cm | ||||||||||
The area in square feet of a rectangular field is x2 - 120 x + 3500. The width, in feet, is x - 50. What is the length, in feet? | (x - 70) ft | ||||||||||
The period of a pendulum is the time the pendulum takes to sqing back and forth. The function L = 0.81t2 relates the length L in feet of a pendulum to the time t in seconds that it takes to sqing back and forth. A convention center has a pendulum that is 90 feet long. Find the period. | about 10.5 s | ||||||||||
Suppose you have an outdoor pool measuring 25 ft by 10ft. You want to add a cement walkway around the pool. If the walkway will be 1 ft thick and you have 304 ft3 of cement, how wide should the walkway be? | about 3.6 ft | ||||||||||
A town is planning a playground. It wants to fence in a rectangular space using an existing wall. What is the greatest area it can fence using 100 ft of donated fencing? | 1250 ft2 | ||||||||||
The height of a projectile fired straight up in the air with an initial velocity of 64 ft/s is h = 64t - 16t2, where h is height in feet and t is time in seconds. The table represents the data for another projectile. a. Which projectile goes higher? How much higher? b. At what times t will each projectile be at a height of 16 feet?
| a. The projectile represented by the equation goes higher by 28 feet. b. equation: t = 0.27 s and t = 3.73 s; table: t = 0.38 s and t = 2.62 s | ||||||||||
Suppose you work for a packaging company and are designing a box that has a rectangular bottom with a perimeter of 36 cm. The box must be 4 cm high. What dimensions give the maximum volume?
| 4 cm by 9 cm by 9 cm | ||||||||||
The New River Gorge Bridge in West Virginia is the world's largest steel single arch bridge. You can model the arch with the function y = -0.000498x2 + 0.847x, where x and y are in feet. How high above the river is the arch? | 360 ft | ||||||||||
The Zhaozhou Bridge in China is the oldest known arch bridge, dating to A.D. 605. You can model the support arch with the function f(x) = -0.001075x2 + 0.131148x, where x and y are measured in feet. How high is the arch above its supports? | 4 ft | ||||||||||
A model for a company's revenue from selling a software package is R = -2.5p2 + 500p, where p is the price in dollars of the software. What price will maximize revenue? What is the maximum revenue? | $100; $25,000 |