Pre Semester 2 Math Test For Grade 8(Part Two)

10 Questions | Total Attempts: 82

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8th Grade Quizzes & Trivia

Questions and Answers
  • 1. 
    11.A stone is throw up vertically from point O ,The distance from O is y meters, after x      Seconds  is given by function  y = 40x – 5x2. The maximum height of the stone is…m
    • A. 

      A. 50

    • B. 

      B. 60

    • C. 

      C.75

    • D. 

      D.80

  • 2. 
    12.Which of the following is true for a gradient / a slope ?
    • A. 

      A. If a straight line is parallel to the X – axis ,its gradient is zero

    • B. 

            b. A gradient of a straight line is the ratio of horizontal distance to the vertical           distance.

    • C. 

      A straight line has a gradient with a negative value if it inclines downwards to The left.

    • D. 

      D.  A straight line has a gradient with a positive value if it inclines downwards to The right

  • 3. 
    13. The parallel line to line y = 5x – 4   is …
    • A. 

      A. y = 2x – 4

    • B. 

      B. 5x + y = 12

    • C. 

      C. -5x – y = 6

    • D. 

      D. 5x – y + 3 = 0

  • 4. 
    14.An equation of a line through points ( -1, -5 ) and has gradient of three is …
    • A. 

      A. y = 3x + 2

    • B. 

      B.5x + y = 12

    • C. 

      C. -5x – y = 6

    • D. 

      D. 5x – y + 3 = 0

  • 5. 
    15.The gradient of a line through points of P( 1, -3 ) and Q ( 3,7) is ….    
    • A. 

      A. – 5

    • B. 

      B. 5

    • C. 

      C. 1/5

    • D. 

      D. - 1/5

  • 6. 
    16.An equation of a line through points  ( -2, 4 ) and ( 3, -2 ) is …
    • A. 

      A. -6x + 5y -8 = 0

    • B. 

      B. 6x + 5y -8 = 0

    • C. 

      C. 6x + 5y – 8 = 0

    • D. 

      D. 6x + 5y + 8 = 0

  • 7. 
    17.Which of the following pairs of points of a straight line with a slope of  2/3 ?       I   . ( 0,-2 ) , ( 3, 2 )       II    ( 5,0 ) , ( 8,2 )       III   ( 3, 3 ) , ( -3, -1 )
    • A. 

      A. I and II only

    • B. 

      B. I and III only

    • C. 

      C. II and III only

    • D. 

      D. I , II , III

  • 8. 
    .18. A straight line AB passes through the point ( -1, -1 ) and parallel to 4x – 2y = 5        The equation of AB is  y = ….
    • A. 

      A. 2x – 1

    • B. 

      B. 2x + 1

    • C. 

      C. 4x – 1

    • D. 

      D. 4x + 1

  • 9. 
    19.The equation of a line that passes through the intersection point of two lines       4x + 7y – 15 = 0   and 9x – 14y – 4 = 0 perpendicular to line 2x + 5y – 3 = 0  is …
    • A. 

      A. 2y – 5x = -1

    • B. 

      B. 2x – 5y = -1

    • C. 

      C. 5x – 2y = 4

    • D. 

      D. 5x – 2y = 8

  • 10. 
    .  20.The solution set  of  2x + y = 9  and  3x + 2y = 13    is …  
    • A. 

      A. { 5, 1 }

    • B. 

      B. { -5, 1 }

    • C. 

      C. { 5, -1 }

    • D. 

      D. { -5, -1 }

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