Question

For the remaining three problems, write always, sometimes, or never. If it is always true, give the property or two examples. If it is never true, give the property or two examples. If it is sometimes true, give one example for which it is true and one example for which it is false.

x + x = 2x

x • x = 2x

x^2= -9

Answer 1

1. always you can plug any number for x or variable and your answer will be equivalent
2.sometimes if its just x but if x is a number say 4 then 4*4=16 but 4*2=8
3.never because you cant have a negative number being squared