Chapter R Quiz 3 Part 1
  • 1. Which of the following is not a natural number
A) 0
B) 100
C) 1
D) 8
  • 2. When x=3 and x=-1, Evaluate 3x-2
A) 1/3, -3
B) 27, -3
C) 1/3, 3
D) 27, 3
  • 3. When x=3 and x=-1, Evaluate |x|-x
A) 0, 2
B) 6, 2
C) 6, 0
D) 0, 0
  • 4. When x=3 and x=-1, Evaluate |x2-x|/(x+1)
A) 9/4, 0
B) 3/2, Undef
C) 3/2, 0
D) 2/3, Undef
  • 5. Simplify (x2y)/(xy2)
A) y/x
B) xy
C) x3/y3
D) x/y
  • 6. Simplify [4x5(y-2z)-1]/(23x4y)
A) (2)/(x6y2z)
B) 1/(2x6y2z)
C) (2xy)/(z)
D) (xy)/(2z)
  • 7. Given a2+b2=c2 and a=15 and b=36, Find c
A) -1521
B) 39
C) 1521
D) -39
  • 8. Given a2+b2=c2 and a=22 and c=122, Find b
A) 15368
B) 14400
C) 120
D) 123.968
  • 9. Given a2+b2=c2 and a=8 and b=11, Find c
A) 57
B) 185
C) 7.550
D) 13.601
  • 10. Given a2+b2=c2 and a=7 and c=23, Find b
A) 578
B) 24.042
C) 480
D) 21.909
  • 11. Find the area of a trapezoid [(b1+b2)h/2] when the first base is 21 inches, the second base is 27 inches, and the height is 5 inches.
A) 78
B) 88.5
C) 120
D) 50.5
  • 12. Find the volume of a cylinder (pi*Hr2) when the radius and height are 18 cm. Use 3.14 for pi.
A) 17496
B) 180553.728
C) 18312.48
D) 5832
  • 13. Find the surface area of a cube (6s2) with sides that are pi feet. use 3.14 for pi.
A) 59.218
B) 113.04
C) 354.946
D) 59.158
  • 14. Find the volume of a rectangular prism (l*w*h) with a length of 25 yards and a width and a height that are half the length.
A) 15625
B) 7812.5
C) 1953.125
D) 3906.25
  • 15. Foil (2x+3)(3x-4)
A) 5x-1
B) 6x2+16x-12
C) 6x2+x-12
D) 6x2-12
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