JAMB and WAEC Mathematics questions

861 questions with answers and explanations. Tap an option to check yourself.

1. Question 41· Coordinate geometry· JAMB

   The points (1, 2), (2, 4) and (3, k) lie on a straight line. Find k.

   • A5
   • B6
   • C8
   • D3

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2. Question 42· Coordinate geometry· WAEC

   The equation of the line with gradient 3 passing through (0, −2) is

   • Ay = 3x − 2
   • By = −2x + 3
   • Cy = 3x + 2
   • Dy = x − 2

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3. Question 43· Coordinate geometry· JAMB

   Find the gradient of the line joining (2, 3) and (6, 11).

   • A2
   • B1/2
   • C4
   • D8

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4. Question 44· Coordinate geometry· WAEC

   Where does the line 4x + 2y = 10 cut the y-axis?

   • A(2.5, 0)
   • B(5, 0)
   • C(0, 10)
   • D(0, 5)

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5. Question 45· Coordinate geometry· WAEC

   Find the gradient of the line joining (3, −2) and (7, 6).

   • A2
   • B½
   • C−2
   • D1

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6. Question 46· Coordinate geometry· JAMB

   Where does the line 2x − y + 3 = 0 cut the x-axis?

   • A(−3, 0)
   • B(1.5, 0)
   • C(0, 3)
   • D(−1.5, 0)

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7. Question 47· Coordinate geometry· JAMB

   Find the equation of the line through (1, 2) that is parallel to y = 4x − 1.

   • Ay = 4x − 1
   • By = 4x + 2
   • Cy = −¼x + 2
   • Dy = 4x − 2

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8. Question 48· Coordinate geometry· JAMB

   Find the equation of the line with gradient −3 and y-intercept 2.

   • Ay = −3x − 2
   • By = 2x − 3
   • Cy = 3x + 2
   • Dy = −3x + 2

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9. Question 49· Coordinate geometry· WAEC

   Find the gradient of the line joining (−1, 4) and (3, −8).

   • A−4
   • B3
   • C−1/3
   • D−3

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10. Question 50· Coordinate geometry· JAMB

    Find the distance of the point (5, 12) from the origin.

    • A7
    • B17
    • C13
    • D√17

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11. Question 51· Coordinate geometry· WAEC

    Find the gradient of the line joining the points (1, 2) and (3, 8).

    • A1/3
    • B3
    • C2
    • D6

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12. Question 52· Coordinate geometry· JAMB

    Find the point where y = 2x − 1 meets y = x + 2.

    • A(5, 3)
    • B(1, 3)
    • C(3, 5)
    • D(2, 3)

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13. Question 53· Coordinate geometry· JAMB

    Find the gradient of a line perpendicular to y = −3x + 4.

    • A−1/3
    • B1/3
    • C3
    • D−3

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14. Question 54· Coordinate geometry· JAMB

    Find the gradient of the line through (−1, 4) and (3, −4).

    • A−2
    • B2
    • C−½
    • D0

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15. Question 55· Coordinate geometry· JAMB

    Line L is perpendicular to 2y = x + 5. Find the gradient of L.

    • A−2
    • B2
    • C−1/2
    • D1/2

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16. Question 56· Coordinate geometry· JAMB

    The lines y = 2x + 3 and y = kx − 1 are perpendicular. Find k.

    • A½
    • B2
    • C−2
    • D−½

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17. Question 57· Coordinate geometry· JAMB

    Find the equation of the line through (2, 1) and (4, 5).

    • Ay = 2x − 1
    • By = 2x + 1
    • Cy = x − 1
    • Dy = 2x − 3

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18. Question 58· Coordinate geometry· JAMB

    Find the equation of the line through (0, −2) with gradient 5.

    • Ay = 2x − 5
    • By = −2x + 5
    • Cy = 5x + 2
    • Dy = 5x − 2

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19. Question 59· Coordinate geometry· JAMB

    Find the gradient of a line perpendicular to 2y = 4x + 1.

    • A−½
    • B2
    • C−2
    • D½

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20. Question 60· Coordinate geometry· WAEC

    The point (k, 4) lies on the line y = 2x − 6. Find k.

    • A7
    • B2
    • C−1
    • D5

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    Explanation and discussion