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navik [9.2K]
2 years ago
15

OK GUYS PLEASE HELP: USE THE INFORMATION PROVIDED TO WRITE THE VERTEX FORM EQUATION OF EACH PARABOLA Y=-12X^2+192X-769 EXPLAIN P

LEASE THIS IS A GRADE
2)SOLVE EACH EQUATION BY COMPLETING THE SQUARE : N^2+16N-74=-3
3)SOLVE EACH EQUATION BY FACTORING: 6N^2+48N+90=0
Mathematics
1 answer:
levacccp [35]2 years ago
7 0
The vertex for the first one is: (8,-1)
the answer for the second one is: n = -8 + with a - at the bottom square root of 151
the answer for the third question is: n = (-3,-5) 

hope i helped please thank, rate, and give me best anyswer if you're on a desktop thank you :)
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<em><u>Solution:</u></em>

From 1980 to 1990, Lior’s weight increased by 25%

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<em><u>To find: weight in 1980</u></em>

This is a percentage increase problem

Let "x" be the weight in kilograms in 1980

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