I am giving away points if you answer this Question What is 2+2
2 answers:
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Answer:
77. Proved
78. Proved
79. Proved.
80. Proved.
Step-by-step explanation:
77. Left hand side
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=
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{Since we know, }
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= Right hand side (Proved)
78. Left hand side
=
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{Since }
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= Right hand side (Proved)
79. Left hand side
=
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{Since }
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= Right hand side
80. Left hand side
=
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{Since }
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= Right hand side. (Proved)
<h3>Answer:</h3>
- y = -(x -3)² +3 . . . . (agrees with your answer)
- see the attachment for a graph
Factoring the leading -1 from the first two terms, we have ...
... y = -(x² -6x) -6
Adding 9 inside parentheses to complete the square, then adding the opposite amount outside parentheses, we have ...
... y = -(x² -6x +9) -6 +9
... y = -(x -3)² +3