Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN: 9780134463216
Author: Robert F. Blitzer
Publisher: PEARSON
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I need to know which of the steps listed is wrong. Then how to fix it and solve the rest of the problem please.
A baseball is thrown in the air from center field to home plate. The path of
the baseball is represented by the equation
p(x)
-7x²+52x + 99. How long will it take for the ball to get
to home plate?
Tell me what steps went wrong as I solved this problem. Explain how to fix
it.
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Transcribed Image Text:A baseball is thrown in the air from center field to home plate. The path of the baseball is represented by the equation p(x) -7x²+52x + 99. How long will it take for the ball to get to home plate? Tell me what steps went wrong as I solved this problem. Explain how to fix it.
Problem:
P(x) = -7x2 +52x+99
Step 1: -7x- +52x+99 = 0
Step 2: a = -7 b = 52 c = 99
-52+/(52)-4(-7)(99)
Step 3:
2(-7)
-52+5476
Step 4:
14
52+74
Step 5:
14
11
x = - 9
7
Step 6: x =
11 seconds
7.
Answer:
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Transcribed Image Text:Problem: P(x) = -7x2 +52x+99 Step 1: -7x- +52x+99 = 0 Step 2: a = -7 b = 52 c = 99 -52+/(52)-4(-7)(99) Step 3: 2(-7) -52+5476 Step 4: 14 52+74 Step 5: 14 11 x = - 9 7 Step 6: x = 11 seconds 7. Answer:
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