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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. math exams: CLEP Precalculus Practice Questions -1

Saturday, July 2, 2011

CLEP Precalculus Practice Questions -1

    1. Evaluate the expression: $1000(2^{-1.5})$

      1. $2828,427$
      2. $2000.00$
      3. $353.55$
      4. $3000$
      5. $350.50$

    2. Evaluate the expression: $\log_{49}7$

      1. $\frac{1}{4}$
      2. $\frac{1}{2}$
      3. $\frac{2}{5}$
      4. $\frac{1}{49}$
      5. $7$

    3. Place into standard form: $(5+i)-(7-7i)$

      1. $-2+8i$
      2. $2+8i$
      3. $12+8i$
      4. $-2+6i$
      5. $2-8i$

    4. Find the domaine of the function: $f(x)=\sqrt{-6x+12}$

      1. $x \geq 2$
      2. $x \geq 3$
      3. $x \leq -2$
      4. $x \leq -1$
      5. $x \leq 2$

    5. What is the value of: $3\ln e^{6}$

      1. $6$
      2. $18$
      3. $9$
      4. $12$
      5. $3$

    6. What is the value of: $\csc (150 deg)$

      1. $0$
      2. $1$
      3. $-1$
      4. $-2$
      5. $2$

    7. Solve the equation: $x^{2}-10x+50=0$

      1. $5+5i$ or $5-5i$
      2. $2+5i$ or $2-5i$
      3. $4+5i$ or $4-5i$
      4. $1+5i$ or $1-5i$
      5. $5+i$ or $5-i$

    8. What is the value of $x$: $\log_{10}x=-3$

      1. $0.01$
      2. $0.001$
      3. $0.1$
      4. $1$
      5. $10$

    9. Factor the expression: $x^{2}-3ix-2$

      1. $(x+i)(x+2i)$
      2. $(x+i)(x-2i)$
      3. $(x-i)(x-2i)$
      4. $(-x-i)(x-2i)$
      5. $(x-1)(x-2)$

    10. Identify the horizontal and vertical asymptotes for: $\frac{5x^{2}}{x^{2}-9}$

      1. $y=5$, $x=-3$, $x=3$
      2. $y=-5$, $x=-3$
      3. $y=5$, $x=3$
      4. $y=5$, $x=-3$
      5. $y=-5$, $x=3$, $x=-3$

    11. Answer Key
      1 C
      2 B
      3 A
      4 E
      5 B
      6 E
      7 A
      8 B
      9 C
      10 A

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