I for School: Practice and Problem-Solving HWPart 1 of 2Micah found the vertex for the function y = -9.5x2 - 47.5x + 63 as shown. Findand correct Micah's error.Explain the error.O A. Micah did not use the correct order-of-operations dividing 47.5 by2(-9.5).bX= -2aO B. Micah should have evaluated the function with x = 0 to find the47.5メ=-1-9.5)y-coordinate.47.5X = --OC.Micah used the wrong sign for b in the formula x =2a- 19x = -(-2.5)x= 2.5y = - 9.5(2.5)2 - 47.5(2.5) + 63y = - 59.375 - 118.75+ 63y = - 115.125O D. Micah should have found a positive value when he simplified the- 9.5(2.5) term.Clear AllCheck AnswerVideoTextbookGet More Help -Review progressQuestion 2of 10+ BackNextSign o

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Part 1 of 2 Micah found the vertex for the function y = -9.5x2 - 47.5x + 63 as shown. Find and correct Micah's error. Explain the error. b メニ 2a O A. Micah did not use the correct order-of-operations dividing 47.5 by 2(-9.5). O B. Micah should have evaluated the function with x =0 to find the y-coordinate. 47.5 X= - 2(-9.5) 47.5 メニー-19 OC. Micah used the wrong sign for b in the formula x = 2a x = -(- 2.5) x = 2.5 y = -9.5(2.5) - 47.5(2.5) + 63 y = - 59.375 - 118.75+ 63 y = - 115.125 O D. Micah should have found a positive value when he simplified the - 9.5(2.5) term.

Part 1 of 2 Micah found the vertex for the function y = -9.5x2 - 47.5x + 63 as shown. Find and correct Micah's error. Explain the error. b メニ 2a O A. Micah did not use the correct order-of-operations dividing 47.5 by 2(-9.5). O B. Micah should have evaluated the function with x =0 to find the y-coordinate. 47.5 X= - 2(-9.5) 47.5 メニー-19 OC. Micah used the wrong sign for b in the formula x = 2a x = -(- 2.5) x = 2.5 y = -9.5(2.5) - 47.5(2.5) + 63 y = - 59.375 - 118.75+ 63 y = - 115.125 O D. Micah should have found a positive value when he simplified the - 9.5(2.5) term.

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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Question

I for School: Practice and Problem-Solving HW
Part 1 of 2
Micah found the vertex for the function y = -9.5x2 - 47.5x + 63 as shown. Find
and correct Micah's error.
Explain the error.
O A. Micah did not use the correct order-of-operations dividing 47.5 by
2(-9.5).
b
X= -
2a
O B. Micah should have evaluated the function with x = 0 to find the
47.5
メ=-1-9.5)
y-coordinate.
47.5
X = --
OC.
Micah used the wrong sign for b in the formula x =
2a
- 19
x = -(-2.5)
x= 2.5
y = - 9.5(2.5)2 - 47.5(2.5) + 63
y = - 59.375 - 118.75+ 63
y = - 115.125
O D. Micah should have found a positive value when he simplified the
- 9.5(2.5) term.
Clear All
Check Answer
Video
Textbook
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Review progress
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