Question

Which ones are like terms:

wz and zw
hr^2 and h^2r
21 m^3 y^4 and -9m^3 y ^4
2x and 3y
5x^3y^6 and 2x^6 y^3

Answer 1

Look for the ones that have the exact same variables and those variables have the exact same exponents

Answer 2

the onlly i see is 21m^3 y^4 and -9m^3 y^4

Im i correct ??

Answer 3

What about wz and zw?

Answer 4

i was not sure since they are writting backwards

Answer 5

so just the two?

Answer 6

Remember the requirements. same variables with the same exponents. no requirement that the order be the same.

Answer 7

Yes. Just those two.

Answer 8

you have helped me tremendously

Answer 9

Glad to be of service.