Flip and pair: form with name

Exercise and reference answers

Matching pairs

1. A

   x/y = k

   B

   direct proportion

2. A

   xy = k

   B

   inverse proportion

3. A

   Rises together

   B

   direct

4. A

   One up, one down

   B

   inverse

5. A

   k

   B

   the constant of proportion

Explanation