Accumulated Practice! Arithmetic/Elem. Alg./CL Math
CL math8 If log10x=3, then x= A) 3^10 B) 1,000 C) 30 D) 10/3 E) 3/10
B
Elementary Algebra4 In the figure below, both circles have the same center, and the radius of the larger circle is R. If the radius of the smaller circle is 3 units less than R, which of the following represents the area of the shaded region? O o A) πR^2 B) π(R-3)^2 C) πR^2-πX3^2 D) πR^2-π(R-3)^2
B
Arithmetic10 3 1/3 - 2 2/5 = A) 1 1/2 B) 1/15 C) 14/15 D) 1 1/15
C
Elementary Algebra1 If A represents the number of apples purchased at 15 cents each and B represents the number of bananas purchased at 10 cents each, which of the following represents the total value of the purchases? A) A+B B) 25(A+B) C) 10A+15B D) 15A+10B
D
Elementary5 (3x-2y)^2= A) 9x^2-4y^2 B) 9x^2+4y^2 C) 9x^2+4y^2-6xy D) 9x^2+4y^2-12xy
D
CL math6 An apartment building contains 12 units consisting of one- and two-bedroom apartments that rent for $360 and $450 per month, respectively. When all units are rented, the total monthly rental is $4,950. What is the number of two-bedroom apartments? A) 3 B) 4 C) 5 D) 6 E) 7
E
Arithmetic2 7.86X4.6= A) 36.156 B) 36.216 C) 351.56 D) 361.56
A
Arithmetic6 Which of the following is closest to 27.8X9.6? A) 280 B) 300 C) 2,800 D) 3,000
A
CL math If f(x)=2x+1 and g(x)= x-1/2, then f(g(x))= A) x B) x-1 ----- 4x+2 C) 4x+2 ------- X-1 D) 5x+1 ------- 2 E) (2x+1)(x-1) ------------- 2
A
CL math5 An equation of the line that contains the origin and the point (1,2) is A) y=2x B) 2y=x C) y=x-1 D) y=2x+1 E) y/2=x-1
A
Elementary Algebra3 What is the value of the expression 2x^2+3xy-4y^2 when x= 2 and y=-4 A) -80 B) 80 C) -32 D) 32
A
If 20 - 4/5 x ≥ 16, then A) x ≤ 5 B) x ≥ 5 C) x ≥ 32 1/2 D) x ≤ 32 1/2
A
Arithmetic1 2.75+.003+.158= A) 4.36 B) 2.911 C) 0.436 D) 2.938
B
Arithmetic7 A soccer team played 160 games and won 65% of them. How many games did it win? A) 94 B) 104 C) 114 D) 124
B
Elementary Algebra6 x^2-x-6 ______ = x^2-4 A) x-3 --- 2 B) x-3 ---- x-2 C) x-3 ---- x+2 D) 3/2
B
Elementary Algebra8 If 2x-3(x+4)=-5, then x= A) 7 B) -7 C) 17 D) -17
B
Elementary Algebra9 -3(5-6)-4(2-3)= A) -7 B) 7 C) -1 D) 1
B
Arithmetic3 7/20= A) 0.035 B) 0.858 C) 0.35 D) 3.5
C
Arithmetic4 Which of the following is the least? A) 0.105 B) 0.501 C) 0.015 D) 0.15
C
Arithmetic8 Three people who work full-time are to work together on a project, but their total time on the project is to be equivalent to that of only one person working full-time. If one of the people is budgeted for one-half of his time to the project and a second person for one-third of her time, what part of the third worker's time should be budgeted to this project? A) 1/3 B) 3/5 C) 1/6 D) 1/8
C
Arithmetic9 32 is 40 percent of what number? A) 12.8 B) 128 C) 80 D) 800
C
CL math1 2 5/2 - 2 3/2 A) 2 1/2 B) 2 C) 2 3/2 D) 2 5/3 E) 2^2
C
CL math4 The graph of which of the following equations is a strait line parallel to the graph of y=2x? A) 4x-y=4 B) 2x-2y=2 C) 2x-y=4 D) 2x +y=2 E) x-2y=4
C
CL math7 If the two square regions in the figures below have the respective areas indicated in square yards, how many yards of fencing are needed to enclose the two regions? |-------| | 125 | -5- |____| |_| A) 4√ ̅ 130 B) 20√ ̅ 10 C) 24√ ̅ 5 D) 100 E) 104√ ̅ 5
C
Elementary Algebra2 √ ̅ 2 X √ ̅ 15=? A) 17 B) 30 C) √ ̅ 30 D) √ ̅ 17
C
Arithmetic5 All of the following are ways to write 25 percent of N EXCEPT A) 0.25 N B) 25N/100 C) 1/4 N D) 25 N
D
CL math10 If θ is an acute angle and sinθ=1/2, then cosθ= A) -1 B) 0 C) 1/2 D) √ ̅3/2 E) 2
D
Elementary Algebra7 4-(-6) ------- = -5 A) 2/5 B) -2/5 C) 2 D) -2
D
CL math2 If a≠b and 1/x + 1/a = 1/b, then x= A) 1/b - 1/a B) b-a C) 1/ab D) a-b/ab E) ab/a-b
E
CL math3 If 3x^2 - 2x + 7=o then (x-1/3)^2= A) 20/9 B) 7/9 C) -7/9 D) -8/9 E) -20/9
E
