Question

Mrs. Cho wrote the following problem on the board. Problem: StartFraction 1 Over x squared EndFraction minus StartFraction 2 Over y EndFraction divided by y minus 2 x squared Step 1: StartFraction y Over x squared y EndFraction minust StartFraction 2 x squared Over x squared y EndFraction divided by y minus 2 x squared Step 2: StartFraction y minus 2 x squared Over x squared y EndFraction divided by StartFraction y minus 2 x squared Over 1 EndFraction Step 3: StartFraction y minus 2 x squared Over x squared y EndFraction times StartFraction 1 Over y minus 2 x squared EndFraction What should Mrs. Cho do next?

Answer 1

Explanation:

Which expression is equivalent to the expression below?

StartFraction 6 c squared + 3 c Over negative 4 c + 2 EndFraction divided by StartFraction 2 c + 1 Over 4 c minus 2 EndFraction

StartFraction 3 c (2 c minus 1) Over 2 c + 1 EndFraction

StartFraction negative 3 c (2 c + 1) squared Over 4 (2 c minus 1) squared EndFraction

3c

–3c

Answer 2

c) multiply the numerators, multiply the denominators, and then simplify.

Explanation: