Question

PLEASE HELP NOW!!!




Evaluate the following expression using the values given.

Find 2x2 - 2z4 + y2 - x2 + z4 if x = -4, y = 3, and z = 2.

Answer 1

insert for all the values, so
2(-4)2-2(2)4+3(2)+2(4)
equaling
14

Answer 2

please read http://openstudy.com/code-of-conduct

Answer 3

the first two things, 2(-4)2 and 2(2)4 cancel each other out

Answer 4

Another one please!!
Evaluate the following expression using the values given:

Find 2r2 + 3s3 - r2 + 4t2 - r2 if r = -2, s = -3, and t = 5.

Answer 5

@noneyabusiness

Answer 6

Do the same. Just insert the term values.
2(-2)2+ 3(-3)3--2(2)+4(5)2-(-2)2
-13
because
-4*2=-8
+-27
-4
+22
+4

Answer 7

that isn't an option @noneyabusiness the options are -19,-37,27,19

Answer 8

Why don't you try it forever_red?

Answer 9

STILL NEED AN HELPER