7
QuizMultiple Choice
Dividing a Fraction by a Fraction — Unit test
Question 7 of 15 • Basic Intermediate Algebra Sem. 1
Dierdre’s work to solve a math problem is shown below.Problem: How many -foot pieces can be cut from a 12-foot length of ribbon?Step 1:Step 2:Step 3:Step 4:Answer:What was Dierdre’s first error?
Answer
A
She switched the divisor and the dividend in step 1 when creating an equation to model the problem.B
She used an improper fraction in step 2 that is not equivalent to .
C
She replaced the divisor by its reciprocal in step 3 instead of replacing the dividend by its reciprocal.D
She reduced the fraction in step 4 incorrectly.