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

10 Questions | By Amranrosidy | Updated: Mar 21, 2022 | Attempts: 97

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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 }