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DSE 數學科：坐標幾何

Coordinate Geometry

12 題 MCQ（基礎 0 · 中等 12 · 高階 0），撳入去睇完整解說同上一題／下一題。未學過呢個課題？先睇 數學自學路徑單元 6。

  1. 中等MATH-GEOM-001

    1. What is the slope of the line through (1, 2) and (4, 8)?

  2. 中等MATH-GEOM-002

    2. Which line is perpendicular to y = 2x + 1?

  3. 中等MATH-GEOM-003

    3. What is the distance between (0, 0) and (3, 4)?

  4. 中等MATH-GEOM-004

    4. What is the midpoint of (2, −1) and (8, 5)?

  5. 中等MATH-GEOM-005

    5. The circle (x − 1)^2 + (y + 2)^2 = 9 has which centre and radius?

  6. 中等MATH-GEOM-006

    6. What is the centre of the circle x^2 + y^2 − 6x + 4y − 12 = 0?

  7. 中等MATH-GEOM-007

    7. What is the radius of x^2 + y^2 + 2x − 4y − 4 = 0?

  8. 中等MATH-GEOM-008

    8. How do the line x + y = 2 and the circle x^2 + y^2 = 2 meet?

  9. 中等MATH-GEOM-009

    9. What is the equation of the perpendicular bisector of the segment from (0, 0) to (4, 2)?

  10. 中等MATH-GEOM-010

    10. A point moves so that it is always 3 units from (1, −1). What is its locus?

  11. 中等MATH-GEOM-011

    11. A line is parallel to a line of slope 3/4. What is its slope?

  12. 中等MATH-GEOM-012

    12. The equation x^2 + y^2 + Dx + Ey + F = 0 represents a circle of positive radius when