4 years ago

Evaluate the expression when y=-7. y? +4y-1

Mathematics

1 answer:

Delicious77 [7]4 years ago

5 0

Answer:

Step-by-step explanation:

y^2+4y-1=(-7)^2+4(-7)-1=(-7)(-7)-28-1=49-28-1=21-1=20

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Answer:

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Step-by-step explanation:

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3 years ago

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Answer:

Step-by-step explanation:

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Step-by-step explanation:

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