21-04-2020
Mathematics

contestada

If y =x^2 + 3x - 5, find y when
x = -4

the answer should be -1 but i somehow got 23 if someone could show working out that would be appreciated

Respuesta :

olivieremad olivieremad

21-04-2020

Answer:

yes it is -1

Step-by-step explanation:

you made something wrong in the power 2 where x power 2 removes the negative sign

or u didn't enter in the calc this sign(....)^2

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