Question

Which expressions, when evaluated with z = 8, are negative in value?



Choose all answers that are correct.



A.


–2z – 14


B.


–25 + 4z


C.


–2z + 15


D.


30 – 3z

Answer 1

Plug in 8 into the answer choices. Which ever ones end up simplifying into a negative number is an answer. :)

Answer 2

For example. The first answer choice.
-2z - 14
-2(8) - 14
-16 - 14 = -30
-30 is a negative number, so A is a correct answer. Just continue on.

Answer 3

thanks

Answer 4

i think its a and d

Answer 5

Yes they are.

Answer 6

And so is C the answer..

Answer 7

A and C are the answers.

Answer 8

oh yeah not D...

Answer 9

thanks

Answer 10

You're welcome. :)