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I need help please

Don’t skip the questions if you know the answer please I need the answers as soon as possible!!

I need help please Don’t skip the questions if you know the answer please I need the-example-1
User Kartben
by
7.9k points

1 Answer

4 votes

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)

User Murali Nepalli
by
7.9k points

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