Seudónimo Seudónimo

03-04-2015
Mathematics

contestada

Simplify.
(-1/2)(4times)(-2)(7y)(-1)

A.

–28xy

B.

–28

C.

28xy

D.

27

Respuesta :

RedRicin RedRicin

03-04-2015

(-1/2)(4)(-2)(7y)(-1)

Just start multiplying!

-1/2 * 4 = -2
-2 * -2 = 4
4 * 7y = 28y
28y * -1 = -28y

Since that's not an option I suspect you're missing an x.

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