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11. Which of the following choices is the quadratic function whose zeros are and 4? A. y = 2x? + 11x + 12 B. y = 2x + 11x – 12 C. y = 2x? – 11x + 12 D. y = 2x? – 11x – 12

11. Which of the following choices is the quadratic function whose zeros are and 4? A. y = 2x? + 11x + 12 B. y = 2x + 11x – 12 C. y = 2x? – 11x + 12 D. y = 2x? – 11x – 12

Intermediate Algebra
Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter9: Quadratic Equations And Functions
Section9.6: Graph Quadratic Functions Using Properties
Problem 9.104TI: A path of a toy rocket thrown upward from the ground at a rate of 208 ft/sec is modeled by the...
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11. Which of the following choices is the quadratic function whose zeros are and 4? A. y = 2x? + 11x + 12 B. y = 2x? + 11x – 12 C. y = 2x? – 11x + 12 D. y = 2x? – 11x – 12 12. During quarantine period, Richard decided to plant a tomato in their backyard. He predicted that the number of tomato plant, x, could yield y = -20x² + 2800x tomatoes per month. How many trees should be planted to produce the maximum number of tomatoes per month? А. 60 В. 70 C. 80 D. 90 13. Mr. Redoble is sketching the windows for a home renovation. The shape is a parabola modeled by the equation h(w) = -w² + 9, where h is the height of the window and w is the width in feet. What is the maximum height of each window? A. 6 ft С. 7 f C. 8 ft D. 9 ft 14. John wants to make a backyard vegetable garden and build a fence around it. What are the dimensions of the rectangular garden that will enclosed it? A. 10 m x 10 m C. 20 mx 20 m B. 15 m x 15 m D. 25 m x 20 m 15. Rey and Mark recycled bottles and made them into a rocket during their vacation. The height in feet of a bottle rocket is given by h(t) = 160t – 16t? where t is the time in seconds. How long will it take for the rocket to return to the ground? A. 5 seconds C. 15 seconds B. 10 seconds D. 20 seconds
Transcribed Image Text:11. Which of the following choices is the quadratic function whose zeros are and 4? A. y = 2x? + 11x + 12 B. y = 2x? + 11x – 12 C. y = 2x? – 11x + 12 D. y = 2x? – 11x – 12 12. During quarantine period, Richard decided to plant a tomato in their backyard. He predicted that the number of tomato plant, x, could yield y = -20x² + 2800x tomatoes per month. How many trees should be planted to produce the maximum number of tomatoes per month? А. 60 В. 70 C. 80 D. 90 13. Mr. Redoble is sketching the windows for a home renovation. The shape is a parabola modeled by the equation h(w) = -w² + 9, where h is the height of the window and w is the width in feet. What is the maximum height of each window? A. 6 ft С. 7 f C. 8 ft D. 9 ft 14. John wants to make a backyard vegetable garden and build a fence around it. What are the dimensions of the rectangular garden that will enclosed it? A. 10 m x 10 m C. 20 mx 20 m B. 15 m x 15 m D. 25 m x 20 m 15. Rey and Mark recycled bottles and made them into a rocket during their vacation. The height in feet of a bottle rocket is given by h(t) = 160t – 16t? where t is the time in seconds. How long will it take for the rocket to return to the ground? A. 5 seconds C. 15 seconds B. 10 seconds D. 20 seconds
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