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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. math exams: June 2011

Thursday, June 30, 2011

CLEP College Algebra Practice Questions -- (Algebraic operations)

  1. If n \ne 0 , (2)^{5n}(8)^{7n}(32)^{3n}

    1. (32)^{15n}
    2. (8)^{15n}
    3. (2)^{5n}
    4. (2)^{41n}
    5. (2)^{21n}

  2. \sqrt{32}+5\sqrt{50}-5\sqrt{2}

    1. 24\sqrt{2}
    2. 24\sqrt{8}
    3. 20\sqrt{2}
    4. 4\sqrt{2}
    5. 24\sqrt{32}

  3. \sqrt{1125}+7\sqrt{180}-5\sqrt{5}

    1. 5\sqrt{5}
    2. -5\sqrt{5}
    3. 62\sqrt{5}
    4. 62\sqrt{15}
    5. 62\sqrt{3}

  4. \sqrt[3]{\frac{-54}{-2}}

    1. 3
    2. -3
    3. 8
    4. -\sqrt{3}
    5. \sqrt{3}

  5. \sqrt{3} \div \sqrt[5]{3}

    1. 3^{5}
    2. \sqrt{3}
    3. \sqrt[10]{3}
    4. \sqrt[5]{3}
    5. \sqrt[10]{27}

  6. Simplify \frac{4a^{0}}{(4a)^{0}}

  7. Simplify \frac{6x^{5}+12x^{4}}{3x^{3}}
    1. 2x^{2}+x
    2. 2x^{2}+4
    3. 2x(x+2)
    4. 2x+4
    5. 2x^{2}-4x

  8. Simplify \frac{x^{2}-3x}{x^{2}-9}+\frac{3}{x+3}

    1. x^{2}-4x+4
    2. x-4
    3. x+4
    4. 1
    5. \frac{1}{4}

  9. Simplify \frac{\sqrt[3]{x}}{\sqrt[6]{x}}

    1. \sqrt{x^{6}}
    2. \sqrt[3]{x}
    3. \sqrt[6]{x}
    4. x^{3}
    5. x^{6}

  10. Simplify \frac{x^{4}-y^{4}}{x^{2}+y^{2}}

    1. x^{2}+y^{2}
    2. x^{2}-y^{2}
    3. x^{2}y^{2}
    4. 0
    5. 2\frac{x^{2}-y^{2}}{x^{2}+y^{2}}

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

Wednesday, June 29, 2011

CLEP College Algebra Practice Questions -- (Equations )

  1. \frac{9}{x+5}=\frac{3}{x+1}

    1. 1
    2. 3
    3. 5
    4. 9
    5. 0

  2. xy+5y=10 and x+2=7, then y=

    1. 0
    2. 1
    3. 5
    4. 7
    5. 2

  3. \frac{9x}{5}=(a^{7}-1)^{3} and a=-1, solve for x.

    1. -40
    2. -\frac{40}{9}
    3. \frac{40}{9}
    4. \frac{35}{9}
    5. 0

  4. \frac{18}{x^{2}+6x+27}=1

    1. \{-3,3\}
    2. \{-3\}
    3. \{3\}
    4. \{-3,0\}
    5. \{-3,-3\}

  5. Find the solution of the following equation : |5x-1|=9

    1. \{2\}
    2. \{-\frac{8}{5}\}
    3. \{-\frac{8}{5},2\}
    4. \{\frac{9}{5}\}
    5. \{\frac{1}{5}\}

  6. If a=(b+5)^{2} and b=-5, what is a?

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

  7. Solve x^{2}+2x+11=0

    1. -1+\sqrt{10} or -1-\sqrt{10}
    2. 1+i\sqrt{10} or -1-i\sqrt{10}
    3. or -1-i\sqrt{10}
    4. -1+i\sqrt{10} or -1-i\sqrt{10}
    5. -1+i\sqrt{10}

  8. If \frac{a}{b}=5 then a^{2}-25b^{2}+7=

    1. 0
    2. 7
    3. -1
    4. 25
    5. 5

  9. Solve 9x-6 \leq 5x+2

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


  10. Solve \frac{3}{x}=\frac{2}{x-1}

    1. -3
    2. 2
    3. -2
    4. 3
    5. There is no solution
Answer Key
1 A
2 B
3 B
4 E
5 C
6 C
7 D
8 B
9 A
10 D

Tuesday, June 28, 2011

CLEP College Algebra Practice Questions - 5

  1. Find the indicated root \sqrt[3]{-64}
    1. -4
    2. -16
    3. 16
    4. 4
    5. Cannot be evaluated

  2. 3^{3x}=9^{x-1}

    1. 2
    2. -2
    3. \frac{1}{2}
    4. \frac{1}{3}
    5. 3


  3. 3\sqrt{20}+6\sqrt{45}

    1. 24\sqrt{5}
    2. 9\sqrt{65}
    3. 3\sqrt{5}
    4. 20\sqrt{5}
    5. 18\sqrt{5}

  4. 2a^{2}-3(b-c)^{2}

    1. [\sqrt{2}a-\sqrt{3}b+\sqrt{3}c][\sqrt{2}a+\sqrt{3}b-\sqrt{3}c]
    2. [\sqrt{2}a-\sqrt{3}b+\sqrt{3}c][\sqrt{2}a-\sqrt{3}b+\sqrt{3}c]
    3. [\sqrt{2}a-\sqrt{3}b.\sqrt{3}c][\sqrt{2}a+\sqrt{3}b.\sqrt{3}c]
    4. [2a-3b+3c][2a+3b-3c]
    5. [\sqrt{2}a+\sqrt{3}b+\sqrt{3}c][\sqrt{2}a+\sqrt{3}b+\sqrt{3}c]

  5. (2\sqrt{5}+5\sqrt{2})(5\sqrt{5}-2\sqrt{2})

    1. 30-21\sqrt{10}
    2. 30+21\sqrt{10}
    3. -30+21\sqrt{10}
    4. -10
    5. +10

  6. x^{3}-36x=0

    1. -6 and 6
    2. -3, 0 and 3
    3. -6, 0 and 6
    4. 36
    5. 6

  7. g(x)=-2x^{2}+5x-1

    g(-5)

  8. log_{25}(\frac{1}{125})=

    1. \frac{-3}{2}
    2. \frac{2}{3}
    3. \frac{3}{2}
    4. -3
    5. 2

  9. If log_{b}(5)=0.81 and log_{b}(3)=0.13 find log_{b}(15)

    1. 0.1053
    2. 0.94
    3. 0.10
    4. 0.9
    5. 0.95

  10. If log_{5}N=2, find N

    1. \frac{5}{2}
    2. 10
    3. \frac{2}{5}
    4. log_{2}5
    5. 25

Monday, June 27, 2011

CLEP College Algebra Practice Questions - 4

  1. (3x-5)^{2}=

    1. 9x^{2}-30x-25
    2. 9x^{2}+30x+25
    3. 39x-25
    4. 9x^{2}-25
    5. 9x^{2}-30x+25

  2. 5^{x+1}=25^{3x+1}, then x=

    1. \frac{1}{5}
    2. 5
    3. -\frac{1}{5}
    4. 0
    5. \frac{1}{3}

  3. log_{3}(x+5)=3

    1. 10
    2. 22
    3. 27
    4. 30
    5. 32

  4. f(x)=7-3x^{3}

    1. \sqrt[3]{\frac{7-x}{3}}
    2. \frac{\sqrt[3]{7-x}}{3}
    3. \sqrt[3]{\frac{x-7}{3}}
    4. \frac{1}{7-3x^{3}}
    5. 7x^{3}+3

  5. f(x)=3x+1 and g(x)=5x-1

    1. 15x+2
    2. 15x
    3. 15x^{2}+x+2
    4. 15x+4
    5. 15x-2

  6. Which quadrants of the xy-plane contain points of the graph of 3x-y>1

    1. I, II and III only
    2. I, II and IV only
    3. I, III and IV only
    4. II III and IV only
    5. I, II, III and III only

  7. (\sqrt{3}i)^{4}=

    1. 9
    2. -9
    3. 9i
    4. -9i
    5. -\sqrt{3}

  8. What are all real values of x for which \frac{2}{5-x}=\frac{1}{5}-\frac{1}{x}

    1. x=-5 only
    2. x=5 only
    3. x=-5
    4. x=-5 and x=0
    5. x=-5 and x=-5

  9. When \frac{5+6i}{1+i} is expressed in the form a+bi, what is the value of a.

  10. If x, 2x+1 and 7x+5 are the first three terms of an arithmetic progression, then x=

    1. -\frac{3}{4}
    2. -3
    3. 0
    4. \frac{7}{5}
    5. \frac{1}{5}

Sunday, June 26, 2011

CLEP College Algebra Practice Questions - 3

  1. The reduced form of \sqrt{162x^{11}y^{17}} is:

    1. 18x^{5}y^{8}\sqrt{2xy}
    2. 9x^{5}y^{8}\sqrt{2}
    3. 3x^{5}y^{8}\sqrt{2xy}
    4. 9x^{4}y^{4}\sqrt{2xy}
    5. 9x^{5}y^{8}\sqrt{2xy}

  2. \frac{2\sqrt{x}-\sqrt{y}}{\sqrt{x}+\sqrt{y}} is equal to:

    1. -2
    2. 1
    3. \frac{2x-y}{x-y}
    4. \frac{2x-\sqrt{xy}+y}{x-y}
    5. \frac{2x-3\sqrt{xy}+y}{x-y}

  3. Solve the equation: 2x^{6}+52x^{3}-54=0

    1. -27, 1
    2. +3 , -1
    3. -3
    4. 1 , 27
    5. -3

  4. The reduced form of \frac{\frac{1}{x+y}-\frac{1}{y}}{x} is

    1. 0
    2. 1
    3. \frac{1}{xy+y^{2}}
    4. -\frac{1}{xy+y^{2}}
    5. xy+y^{2}

  5. Solve the equation: \frac{1}{x-2}+\frac{1}{x+2}=\frac{1}{x^{2}-4}

    1. -\frac{1}{2}
    2. \frac{1}{2}
    3. \frac{1}{4}
    4. 2
    5. 1

  6. Which factors 5x^{3}-3x^{2}-20x+12 completely?

    1. (5x+3)(x+2)^{2}
    2. (5x-3)(x+4)(x-1)
    3. (5x+3)(x^{2}-4)
    4. (5x^{2}+3)(x-4)
    5. (5x-3)(x^{2}+4)

  7. Reduced (\frac{7a^{-5}}{5c^{\frac{1}{2}}})^{-1}

    1. \sqrt{\frac{7a^{5}}{5c}}
    2. \frac{-14a^{5}}{5c}
    3. \frac{7a^{5}\sqrt{c}}{5}
    4. \frac{5a^{5}}{7\sqrt{c}}
    5. \frac{5}{7}a^{5}\sqrt{c}








Saturday, June 25, 2011

CLEP College Algebra Practice Questions - 2

  1. Determine the range of the following function : f(x)=-x^{4}+5

    1. y \geq 5
    2. y \geq -5
    3. y \geq 4
    4. y \leq -4
    5. y \leq 5

  2. Solve the equation : 3(6x+2)=2x

    1. x=- \frac{3}{8}
    2. x=\frac{3}{8}
    3. x=\frac{8}{3}
    4. x=-\frac{8}{3}
    5. x=-3

  3. What is the multiplicative inverse of -7?

    1. \frac{1}{7}
    2. -\frac{1}{7}
    3. 0
    4. 7
    5. -7
  4. Simplify : \sqrt{169}.\sqrt{81}.\sqrt{196}

    1. 13689
    2. 21294
    3. 1638
    4. 1764
    5. 12356
  5. Factor: b^{2}-121

    1. (b-11)(b+11)
    2. (b^{2}-11)(b^{2}+11)
    3. (b^{2}+11)(b^{2}+11)
    4. (b-11)(b-11)
    5. (b+11)(b+11)
  6. Solve: 1+\frac{1}{x}=\frac{12}{x^{2}}

    1. x=-4 or x=3
    2. x= 4 or x=-3
    3. x=-4 or x=-4
    4. x=-3 or x=3
    5. x= 6 or x=-2
  7. Factor the following equation: a^{2}-2a-35

    1. (a-7)(a+5)
    2. (a+7)(a+5)
    3. (a-5)(a-7)
    4. (a-1)(a+35)
    5. (a-35)(a+1)
  8. Solve the following inequality: 9(6-2x) \leq -12

    1. x\geq 11
    2. x \leq \frac{11}{3}
    3. x \geq \frac{11}{3}
    4. x\geq 3
    5. x \leq -11
  9. Determine the x-intercepts of the following parabola: y=3x^{2}+x-14

    1. (2,0) and (-\frac{7}{3},0)
    2. (2,0) and (-3,0)
    3. (-\frac{3}{7},0) and (-4,0)
    4. (0,2) and (0,-\frac{7}{3})
    5. (0,-\frac{7}{3}) and (2,0)

  10. A Graph of x^{2} + y^{2} = 9 is a

    1. Parabola
    2. Hyperbola
    3. Circle
    4. Line
    5. ellipse

Friday, June 24, 2011

CLEP College Mathematics Practice Questions - 1

  1. Simplify the following expression : 8x+3-3x-7
    1. 5x-4
    2. 5x+4
    3. 11x-4
    4. 10x-4
    5. -5x-4

  2. Determine the mean of the numbers : 20, 34, 36, 52, 60.
    1. 35
    2. 40.1
    3. 40.4
    4. 40.6
    5. 50

  3. What is the rule of f+g if f(x)=10x+7 and g(x)=3x
    1. 30x+7
    2. 30x+21
    3. 7x+7
    4. 10x-7
    5. 13x+7

  4. What percent of 30 is 13

    1. 43.33
    2. 43
    3. 80
    4. 72.3
    5. 35

  5. Find the inverse of the function f(x)=-\frac{9}{5}x+1

    1. b=-\frac{9}{5}a+5
    2. a=\frac{9}{5}b-1
    3. b=-\frac{9}{5}(a-1)
    4. b=-\frac{9}{5}a-\frac{9}{5}
    5. a=-\frac{9}{5}b-1

  6. What is the name give to two angles that add up to 180

    1. Complemtary
    2. Adjacent
    3. straight
    4. right
    5. supplementary

  7. Determine the mode of the following numbers : 6,7,7,5,5,5,9

    1. 5
    2. 5.5
    3. 6.29
    4. 7
    5. 7.5

  8. Which of the following expressions is the same as \frac{a^{-7}b^{2}}{a^{-3}}

    1. \frac{a^{-4}}{b^{2}}
    2. \frac{b^{2}}{a^{4}}
    3. \frac{b^{2}}{a^{-4}}
    4. b^{2}a^{-4}
    5. a^{4}b^{2}

  9. Determine the range of the following set : 5.6, 10.2, 7.3, 9.9, 8.1, 9.7

    1. 2.9
    2. 4.3
    3. 10.2
    4. 2.1
    5. 4.6
  10. If f(x)=x^{5} and g(x)=x^{2}-1, what is the domain restriction on f.g

    1. x \leq 11
    2. x \neq 1
    3. x \geq 1
    4. There is no restriction
    5. x\leq 5

Thursday, June 23, 2011

GMAT Besic Equations

  1. 3(x-2)+6=2x
  2. \frac{1}{3}x-1=\frac{5}{6}+\frac{7}{2}
  3. \frac{7x-3}{7}=x+2
  4. 0.16x+1.1=0.2x+0.96

SAT Practice Questions - 1

  1. 2(5x-5)+5(2x+2)=
    1. 0
    2. 20x
    3. 20x-10
    4. 20x+10
    5. 10x^{2}+20+x+20

  2. If x=a+2, and y=-8-a then x+y=

    1. 6
    2. 10
    3. 2a-6
    4. -10
    5. -6

  3. If x \ne -5, then \frac{x^{2}+3x-10}{x+5}-(x-2)=

  4. If (a-\frac{1}{a})^{2}=8, then a^{2}+\frac{1}{a^{2}}=

    1. 8
    2. 6
    3. 10
    4. 12
    5. 100

  5. (x+y)^{2}=16, and x^{2}+y^{2}=6 then xy=

    1. 5
    2. 10
    3. 6
    4. 4
    5. 16

  6. (x+y)=6, and x^{2}-y^{2}=2 then x-y=

    1. 12
    2. 4
    3. 6
    4. \frac{1}{3}
    5. 3

  7. \frac{15y+3}{3}-5y=

    1. 1
    2. 0
    3. 10y+1
    4. 3
    5. 3y+1


  8. if b^{2}-a^{2}=9 then 5(a-b)(a+b)=

    1. 45
    2. \frac{9}{5}
    3. 4
    4. 50
    5. -45

  9. When c \ne 3, then \frac{c^{2}-9}{c-3}=

    1. c-3
    2. 1
    3. c+3
    4. 3-c
    5. o

  10. If b>0, and b^{2}-1=10 \times 12, then b=

    1. 9
    2. 1
    3. 12
    4. 10
    5. 11


    Answer Key
    1 B
    2 E
    3 0
    4 C
    5 A
    6 D
    7 A
    8 E
    9 C
    10 E

CLEP College Algebra Practice Questions - 1


 

  1. (3x-1)^{2}
         
    1. 3x^{2}+1
    2.    
    3. 9x^{2}-1
    4.    
    5. 9x^{2}+1
    6.    
    7. 9x^{2}-6x+1
    8.    
    9. 9x^{2}-3x+1
  2.   
  3. Which of the following is a factor of 9-(x+y)^{2}
         
    1. (x+y)^{2}
    2.    
    3. (x+y)
    4.    
    5. 3-x+y
    6.    
    7. 3+x+y
    8.    
    9. 9+x+y
  4.   
  5. 3t(2t^{2}+1)-(4-2t^{3}+10t)+1
         
    1. 8t^{2}+7t-3
    2.    
    3. 8t^{2}+7t+1
    4.    
    5. 8t^{2}-7t-3
    6.    
    7. 8t^{2}-7t-4
    8.    
    9. 2t^{3}-7t+4
  6.   
  7. If x+3=y What is the value of |y-x|+|x-y|
         
    1. -6
    2.    
    3. 0
    4.    
    5. 3
    6.    
    7. 6
    8.    
    9. -3
  8.   
  9. \frac{\frac{x^{2}-4}{x+1}}{\frac{x-2}{x-1}}
         
    1. \frac{x-1}{x+2}
    2.    
    3. \frac{(x-1)(x+2)}{x+1}
    4.    
    5. \frac{x^{2}-x-2}{x+1}
    6.    
    7. \frac{1}{(x-1)(x+1)}
    8.    
    9. \frac{x+2}{(x-1)(x+1)}
  10.   
  11. Which of the following is a factor of 2x^{2}+4x-9
         
    1. x+\frac{2-\sqrt{22}}{2}
    2.    
    3. x-2-\frac{\sqrt{22}}{2}
    4.    
    5. x+2-\frac{\sqrt{22}}{2}
    6.    
    7. x-\frac{2+\sqrt{22}}{2}
    8.    
    9. x+2+\frac{\sqrt{22}}{2}
  12.   
  13. \frac{(n+2)!}{n+1}-n=
         
    1. 0
    2.    
    3. 2
    4.    
    5. n+2
    6.    
    7. (n+1)!
    8.    
    9. n+1
  14.   
  15. Of the following which is greatest?
         
    1. 3^{(5^{7})}
    2.    
    3. (3^{5})^{7}
    4.    
    5. 5^{(3^{7})}
    6.    
    7. (5^{3})^{7}
    8.    
    9. 7^{(5^{3})}
  16.   
  17. Which of the following gives all values of x for wich |x-3| \leq 7?
         
    1. \{x/ -10 \leq x \leq 4 \}
    2.    
    3. \{x/ -7 \leq x \leq 3 \}
    4.    
    5. \{x/ -10 \leq x \leq -3 \}
    6.    
    7. \{x/ -10 \leq x \leq -4 \}
    8.    
    9. \{x/ -4 \leq x \leq -3 \}
  18.   
  19. Which of the following are the solutions of the equation  x^{2}-x-1=0 ?
          
    1. \frac{-1+\sqrt{5}}{2} or  \frac{-1-\sqrt{5}}{2}
    2.    
    3. -1+\frac{\sqrt{5}}{2} or  -1-\frac{\sqrt{5}}{2}
    4.    
    5. \frac{1+\sqrt{5}}{2} or  \frac{1-\sqrt{5}}{2}
    6.    
    7. 1+\frac{\sqrt{5}}{2} or  1-\frac{\sqrt{5}}{2}
    8.    
    9. \frac{1+i\sqrt{5}}{2} or  \frac{1-i\sqrt{5}}{2}
Answer Key
1 D
2 D
3 C
4 D
5 B
6 D
7 B
8 A
9 C
10 C