Identity or not?

Exercise and reference answers

Left

True

Items

1. Item

   (a+b)2=a2+2ab+b2

   Answer

   True

2. Item

   (a-b)2=a2-2ab+b2

   Answer

   True

3. Item

   a2-b2=(a+b)(a-b)

   Answer

   True

4. Item

   (a+b)2=a2+b2

   Answer

   False

5. Item

   (a-b)2=a2-b2

   Answer

   False

6. Item

   a2+b2=(a+b)2

   Answer

   False

Right

False

Instructions

Swipe left for a true identity, right for a false one.

Explanation