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blsea [12.9K]
3 years ago
6

I’m new to this app and I need help with those two questions please help!!

Mathematics
1 answer:
larisa86 [58]3 years ago
6 0

y=x²-10x-7

a>0 so we will be looking for minimum

x=-b/2a=10/2=5

y=25-50-7=-32

Answer: (5;32)

y=-4x²-8x+1

а<0 so we will be looking for maximum

х=-b/2a=8/-8=-1

у=4+8+1=13

Maximum point (-1;13)

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