Quiz on Mixed Expressions and Complex Fractions

What is the first step in converting a mixed expression like 3 + 7/(x-2) into a rational expression?

• Subtract 7 from 3

• Find a common denominator

• Multiply the entire expression by x-2

• Add the numerators directly

When calculating average speed, which unit conversion is necessary?

• Seconds to minutes

• Minutes to hours

• Miles to kilometers

• Hours to seconds

What is the result of multiplying 60/4 by the reciprocal of 25/8?

• 30/4

• 24/5

• 20/3

• 15/2

In simplifying complex fractions with monomials, what is the first step?

• Find a common denominator

• Subtract the denominators

• Multiply by the reciprocal

• Add the numerators

How do you simplify a^5b/c^2 divided by ab^5/c^4?

• Subtract the fractions

• Multiply by c^4/ab^5

• Add the fractions

• Multiply by ab^5/c^4

What is the common denominator for B/1 + 2/(B+3)?

• 2

• 1

• B

• B+3

What is the factored form of B^2 + 3B + 2?

• (B+1)(B+2)

• (B+2)(B+3)

• (B+2)(B+4)

• (B+1)(B+3)

What is the first step in simplifying c^2 - 4c + 3 over c^2 + 9c + 14?

• Multiply by the reciprocal

• Subtract the denominators

• Factor the polynomials

• Add the numerators

Which of the following is a factor of c^2 - 9?

• c + 1

• c + 4

• c + 2

• c + 3

What is the simplified form of C^2 - 4C + 3 over C^2 + 9C + 14 divided by C^2 - 9 over C + 2?

• C + 1 over (C + 7)(C + 3)

• C - 1 over (C + 7)(C + 3)

• C - 1 over (C + 2)(C + 3)

• C + 1 over (C + 2)(C + 3)