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Find y if x^2-6x+4=(x-3)^2+y

A 9
B -5
C 3
D 5

2 Answers by Expert Tutors

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Arthur D. | Effective Mathematics TutorEffective Mathematics Tutor
5.0 5.0 (7 lesson ratings) (7)
1
X^2-6x+4=(x-3)^2+y
x^2-6x+4=x^2-6x+9+y
subtract (x^2-6x) from both sides
4=9+y
4-9=y
-5=y
B is the answer
 
Michael M. | Math/Science Tutor and MentorMath/Science Tutor and Mentor
0
Agree with above answer. y=-5