3 years ago

Evaluate 2w^2-3w+7 when w=-2

Mathematics

2 answers:

pav-90 [236]3 years ago

4 0

2w^2 - 3w + 7
2(-2)^2 - 3(-2) + 7
2(4) + 6 + 7
8 + 6 + 7
14 + 7
21

The answer is 21.

Roman55 [17]3 years ago

4 0

Hey there!

2w^2 - 3w + 7

= 2(-2)^2 - 3(-2) + 7

(-2)^2

= (-2)(-2)

= 4

= 2(4) - 3(-2) + 7

2(4) = 8

3(-2) = -6

= 8 - (-6) + 7

= 8 + 6 + 7

8 + 6 = 14

14 + 7

= 21

Answer: 21

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

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