Question

x3 - 2y2 - 3x3 + z4 if x = 3, y = 5, and z = -3 ?????????????????

Answer 1

options?

Answer 2

just plug in the values
\[3^3-2(5)^2-3(3)^3+(-3)^4\]

Answer 3

well you would use pemdas
once youve plugged in the variables, 9-100-8+-27

Answer 4

-126

Answer 5

i meant 81

Answer 6

-3^4 isn't -27

Answer 7

i meant 81. i just said that ..

Answer 8

yeah we both responded at the same time

Answer 9

What part did u mean 81 at @thaliluvsya

Answer 10

Can you rewrite the problem

Answer 11

itd be 9-100-81-81

Answer 12

-253?

Answer 13

That's not either of my options

Answer 14

it is +81 for the last term

Answer 15

Wow lol

Answer 16

i know. so itd be -172
is that it?

Answer 17

That's not none of my options either...

Answer 18

\[3^3-2(5)^2-3(3)^3+(-3)^4\]
you have to do the exponents first
\[9-2(25)-3(27)+81\]
then multiply
27-50-81+81
-81 and +81 cancel out
27-50
-23 is the answer

Answer 19

Oh I knew it was close i just skipped a step.