Fractions & Rational Expressions — Quiz 1

Questions in this quiz (12)

1. All of the following are less than $$\frac{4}{9}$$ EXCEPT:

   • $$\frac{3}{8}$$
   • $$\frac{2}{5}$$
   • $$0.42$$
   • $$\frac{5}{11}$$

2. What is the simplified form of $$\frac{24}{\sqrt{3}}$$?

   • $$8\sqrt{3}$$
   • $$24\sqrt{3}$$
   • $$3\sqrt{3}$$
   • $$3\sqrt{2}$$

3. Calculate the value of $$\frac{4}{\frac{2}{3}+\frac{1}{6}}$$

   • $$\frac{12}{7}$$
   • $$\frac{4}{3}$$
   • $$\frac{24}{5}$$
   • $$\frac{12}{11}$$

4. What is $$\frac{3}{8}$$ of 64?

   • 32
   • 24
   • 48
   • 12

5. Simplify: $$\frac{a}{1+a}-\frac{b}{1+b}$$

   • $$\frac{a+b}{(1+a)(1+b)}$$
   • $$\frac{a-b}{(1-a)(1-b)}$$
   • $$\frac{a-b}{(1+a)(1+b)}$$
   • $$\frac{a-b}{(1+a)(1-b)}$$

6. The basketball team played a full season. They won $$\frac{3}{5}$$ of their games and tied $$\frac{1}{10}$$ of the games. What fraction of the games did they lose?

   • $$\frac{4}{5}$$
   • $$\frac{4}{10}$$
   • $$\frac{7}{10}$$
   • $$\frac{3}{10}$$

7. The mixed number $$12\frac{5}{6}$$ is equivalent to:

   • $$\frac{77}{6}$$
   • $$\frac{5}{6}$$
   • $$\frac{7}{6}$$
   • $$\frac{11}{6}$$

8. What is the value of: $$\frac{1}{4} + \frac{1}{3} + \frac{1}{6}$$?

   • $$\frac{3}{4}$$
   • $$\frac{1}{12}$$
   • $$\frac{3}{72}$$
   • $$\frac{7}{4}$$

9. If a woman's weekly income is $$M$$ and she puts aside $$N$$ for savings, what part of her weekly income does she use for expenses?

   • $$\frac{M-N}{N}$$
   • $$M-N$$
   • $$\frac{M-N}{M}$$
   • $$\frac{M+N}{N}$$

10. How many eighths are there in $$45\frac{1}{2}$$?

    • 364
    • 728
    • 91
    • 45

11. Write $$\frac{5}{8}\%$$ as a decimal.

    • $$0.000625$$
    • $$0.00625$$
    • $$0.0625$$
    • $$0.625$$

12. The expression $$\frac{x^2-9}{3x}$$ is equivalent to what?

    • $$\frac{(x-3)(x+3)}{x}$$
    • $$\frac{(x+3)^2}{3x}$$
    • $$\frac{x}{3}-\frac{3}{x}$$
    • $$\frac{\sqrt{(x+3)}}{3x}$$