Q=2u2 - 5 (d) Find the value of Q when u=-3

asked Mar 4, 2022 64.3k views

4 votes

Q=2u2 - 5
(d) Find the value of Q when u=-3

by Elviz

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7 votes

Answer:

Down below

Explanation:

$Q=2u^2-5\\u=-3\\Q=(2*-3)^2-5\\Q=(-6)^2-5\\Q=36-5\\Q=31$

Note: wasn't sure if it was
2u^2 or 2u*2. tell me and i will change it. this also may be wrong.

Chrithccmc answered Mar 6, 2022

4.0k points

2 votes

Answer:

Explanation:

13 is the right answer

4.2k points

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