## GeorgeLin Group Title Is the following equation always true, sometimes true, or never true? 1) x + x = 2x 2) x times x = 2x 3) x^2 = 9 (sometimes?) 2 years ago 2 years ago

1. ineedhelponmyhw Group Title

x+x=2x

2. ineedhelponmyhw Group Title

x times x = x sqaured

3. ineedhelponmyhw Group Title

*squared

4. bgeorge Group Title

Never true!

5. sarah43 Group Title

1 and 2 are always true but 3 is sometimes

6. shruti Group Title

IT DEPENDS UPON THE CONDITION WHEREVER IT IS GIVEN OR NEEDED. BTW THE FIRST ONE IS ALWAYS CORRECT AS I REMMEMBER.

7. PaxPolaris Group Title

1) $$x + x = 2x$$ always 2) $$x \times x = 2x$$ sometimes ... when $$x=2$$ 3) $$x^2 = 9$$ sometimes ... when $$x=3$$, or $$x=-3$$

8. shruti Group Title

@PaxPolaris IS RIGHT.