Question

Evalutate the expression x^-2y^2/x^4y^-3 for x=4
and y=-2
a.-16
b.-1/16
c.-128
d.-1/128

Answer 1

Put x=4 and y=-2 into the eqn....

Answer 2

i tried but i don't understand can u help me @superdavesuper

Answer 3

x=4 so what is x^-2 = ?

Answer 4

idk can u just tell me please @superdavesuper

Answer 5

i can tell u but it wont do u any good as u will not know how to do a similar question

Answer 6

i think it is -2? @superdavesuper

Answer 7

jk no its -16 right

Answer 8

close but no...

x=4; then x^-2 = 4^-2 = 1/4^2 = 1/16

Answer 9

oh okay thank u @superdavesuper

Answer 10

welcome n thanx 4 the medal! u can do the rest right?