carneskmkm carneskmkm

12-04-2020
Mathematics

contestada

When 3 is substituted for x, in the equation y=x2-4 what is y.

Respuesta :

Wollfgirl Wollfgirl

12-04-2020

Answer:

y = 2

Step-by-step explanation:

plug in the x value given, y = 3(2) - 4

simplify, y = 6 - 4

y = 2

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Sarah06109 Sarah06109

12-04-2020

Answer:

y=5

Step-by-step explanation:

Substitute 3 in for x

y=x^2-4

y=(3^2)-4

Find the exponent first

y=9-4

Subtract

y=5

Hope this helps! :)

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