An astronaut on the moon throws a moon rock into the air. The rock's height, in meters, above the moon's surface x seconds after it is thrown can be determined by the function h(x) =-1.6(x - 2.5)2 + 25. =D= a) What is the maximum height of the rock above the moon's surface? b) How many seconds after being thrown does the rock reach the max height?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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9) An astronaut on the moon throws a moon rock into the air. The rock's height, in meters, above the moon's
surface x seconds after it is thrown can be determined by the function h(x) =-1.6(x - 2.5)2 + 25.
a) What is the maximum height of the rock above the moon's surface?
b) How many seconds after being thrown does the rock reach the max height?
Transcribed Image Text:9) An astronaut on the moon throws a moon rock into the air. The rock's height, in meters, above the moon's surface x seconds after it is thrown can be determined by the function h(x) =-1.6(x - 2.5)2 + 25. a) What is the maximum height of the rock above the moon's surface? b) How many seconds after being thrown does the rock reach the max height?
Section 3: Word Problems
Use quadratic equations to answer each word problem
7) A rectangular patio has a length four times its width. It also has a 3 ft wide brick border around it. Write a
quadratic function to determine the area of the patio and border.
8) Write a function h(t) to modelthe vertical motion for the following situation, given h(t)
ho, were vo is 32 ft/s and ho is 75 ft.
a) Write the equation to modelthe situation
16t + vot +
b) Find the maximum height.
Transcribed Image Text:Section 3: Word Problems Use quadratic equations to answer each word problem 7) A rectangular patio has a length four times its width. It also has a 3 ft wide brick border around it. Write a quadratic function to determine the area of the patio and border. 8) Write a function h(t) to modelthe vertical motion for the following situation, given h(t) ho, were vo is 32 ft/s and ho is 75 ft. a) Write the equation to modelthe situation 16t + vot + b) Find the maximum height.
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