BIG IDEAS MATH Algebra 2: Common Core Student Edition 2015
BIG IDEAS MATH Algebra 2: Common Core Student Edition 2015
15th Edition
ISBN: 9781608408405
Author: HOUGHTON MIFFLIN HARCOURT
Publisher: Cengage Learning
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Chapter 3.4, Problem 65E

(a)

To determine

The graph of the equation of the models.

(a)

Expert Solution
Check Mark

Explanation of Solution

Given information:

The given height of the launching pad:

  ho=30ft

The given initial velocity of my model:

  v1=105ft/sec

The given initial velocity of my friend’s model:

  v1=100ft/sec

Formula used:

Height of rocket:

  h=−16t2+vot+ho

Consider the equation for height:

  h=−16t2+vot+ho

Substitute the 105ft/sec for v1=105ft/sec and 30ft to find ho in the equation h=−16t2+v1t+ho

  h1=−16t2+v1t+30=−16t2+105t+30

Substitute the 100ft/sec for

  v1 and 30ft to find ho in the equation h=−16t2+v2t+ho

  h2=−16t2+v1t+30=−16t2+100t+30

Use a graphing calculator to plot the function.

  BIG IDEAS MATH Algebra 2: Common Core Student Edition 2015, Chapter 3.4, Problem 65E

(b)

To determine

The time my rocket will need to reach 119 ft .

(b)

Expert Solution
Check Mark

Answer to Problem 65E

The required time is  1sec or 5.563 sec .

Explanation of Solution

Given information:

The given height of my rocket:

  h=119ft

Formula used:

Height of rocket:

  h1=−16t2+105t+30

Consider the equation for height:

  h1=−16t2+105t+30

Substitute the 119ft to find h in the equation h1=−16t2+105t+30

  h1=−16t2+105t+30119=−16t2+105t+3016t2−105t+89=0

Solve the above equation to find the time needed:

  t= 1 ot t= 5.563

Hence the required time is  1sec or 5.563 sec .

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Chapter 3.4, Problem 64E
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Chapter 3.4, Problem 66E

Chapter 3 Solutions

BIG IDEAS MATH Algebra 2: Common Core Student Edition 2015

Ch. 3.1 - Prob. 1ECh. 3.1 - Prob. 2ECh. 3.1 - Prob. 3ECh. 3.1 - Prob. 4ECh. 3.1 - Prob. 5ECh. 3.1 - Prob. 6ECh. 3.1 - Prob. 7ECh. 3.1 - Prob. 8ECh. 3.1 - Prob. 9ECh. 3.1 - Prob. 10E
Ch. 3.1 - Prob. 11ECh. 3.1 - Prob. 12ECh. 3.1 - Prob. 13ECh. 3.1 - Prob. 14ECh. 3.1 - Prob. 15ECh. 3.1 - Prob. 16ECh. 3.1 - Prob. 17ECh. 3.1 - Prob. 18ECh. 3.1 - Prob. 19ECh. 3.1 - Prob. 20ECh. 3.1 - Prob. 21ECh. 3.1 - Prob. 22ECh. 3.1 - Prob. 23ECh. 3.1 - Prob. 24ECh. 3.1 - Prob. 25ECh. 3.1 - Prob. 26ECh. 3.1 - Prob. 27ECh. 3.1 - Prob. 28ECh. 3.1 - Prob. 29ECh. 3.1 - Prob. 30ECh. 3.1 - Prob. 31ECh. 3.1 - Prob. 32ECh. 3.1 - Prob. 33ECh. 3.1 - Prob. 34ECh. 3.1 - Prob. 35ECh. 3.1 - Prob. 36ECh. 3.1 - Prob. 37ECh. 3.1 - Prob. 38ECh. 3.1 - Prob. 39ECh. 3.1 - Prob. 40ECh. 3.1 - Prob. 41ECh. 3.1 - Prob. 42ECh. 3.1 - Prob. 43ECh. 3.1 - Prob. 44ECh. 3.1 - Prob. 45ECh. 3.1 - Prob. 46ECh. 3.1 - Prob. 47ECh. 3.1 - Prob. 48ECh. 3.1 - Prob. 49ECh. 3.1 - Prob. 50ECh. 3.1 - Prob. 51ECh. 3.1 - Prob. 52ECh. 3.1 - Prob. 53ECh. 3.1 - Prob. 54ECh. 3.1 - Prob. 55ECh. 3.1 - Prob. 56ECh. 3.1 - Prob. 57ECh. 3.1 - Prob. 58ECh. 3.1 - Prob. 59ECh. 3.1 - Prob. 60ECh. 3.1 - Prob. 61ECh. 3.1 - Prob. 62ECh. 3.1 - Prob. 63ECh. 3.1 - 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