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Evaluate the expression when y=-3

Evaluate the expression when y=-3-example-1
User Sunillp
by
7.5k points

2 Answers

5 votes
y=-3
subtitute to y^2 + 6y +8
= (-3)^2 + 6(-3) + 8
= 9-18+8
= -1
User Divey
by
8.8k points
2 votes

Answer:

-1

Explanation:

Substitute in the known variables:


y^2 + 6y + 8\\(-3)^2 + 6(-3) + 8\\


-3 * -3 = 9\\(-3)^2 = 9


9 + 6(-3) + 8\\9 + (-18) + 8\\9 - 18 + 8

= -1

Hope this helps!

User Jason Dancks
by
8.5k points

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