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Which of these statements describes a correct method to solve the equation shown below? x2 - 9 = 16 A. add 9 on both sides, then square root O B. square root both sides, then add 9 O C. square 16, then add 9 D. subtract 9 on both sides, then square root.

Which of these statements describes a correct method to solve the equation shown below? x2 - 9 = 16 A. add 9 on both sides, then square root O B. square root both sides, then add 9 O C. square 16, then add 9 D. subtract 9 on both sides, then square root.

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.8: Rate-time-distance Problems
Problem 13P
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Which of these statements describes a correct method to solve the equation shown below? x2 - 9 = 16 O A. add 9 on both sides, then square root B. square root both sides, then add 9 O C. square 16, then add 9 O D. subtract 9 on both sides, then square root.
Transcribed Image Text:Which of these statements describes a correct method to solve the equation shown below? x2 - 9 = 16 O A. add 9 on both sides, then square root B. square root both sides, then add 9 O C. square 16, then add 9 O D. subtract 9 on both sides, then square root.
A rectangular room is 9 feet longer than it is wide. The area of the room is 360 square feet. How many feet long is the room? A. 18 В. 24 С. 40 O D. 60
Transcribed Image Text:A rectangular room is 9 feet longer than it is wide. The area of the room is 360 square feet. How many feet long is the room? A. 18 В. 24 С. 40 O D. 60
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