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Coordinate Geometry

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Gradient of Straight Lines

Subtopic

Gradient of Straight Lines under Coordinate Geometry for Grade 9 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Find the gradient of the line passing through (−4,−5)(-4, -5) and (−2,−1)(-2, -1).

    A.

    2

    B.

    -2

    C.

    4

    D.

    -4

  2. 2.

    Determine the gradient of the line through (1,10)(1, 10) and (2,20)(2, 20).

    A.

    1

    B.

    2

    C.

    10

    D.

    20

  3. 3.

    What is the gradient of the line y=1.5x+2.5y = 1.5x + 2.5?

    A.

    2.5

    B.

    1.5

    C.

    1

    D.

    0.5

Download the worksheet for Coordinate Geometry - Gradient of Straight Lines to practice offline. It includes additional chapter-level practice questions.

Equation of a Straight Line (y = mx + c)

Subtopic

Equation of a Straight Line (y = mx + c) under Coordinate Geometry for Grade 9 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the gradient (mm) of the line y=6−3xy = 6 - 3x?

    A.

    6

    B.

    3

    C.

    -3

    D.

    -6

  2. 2.

    Which of the following equations represents a line with gradient 11 and yy-intercept 00?

    A.

    y = 1

    B.

    y = 0

    C.

    y = x

    D.

    y = -x

  3. 3.

    Rearrange y2=2x−1\frac{y}{2} = 2x - 1 into the form y=mx+cy = mx + c.

    A.

    y = 4x - 2

    B.

    y = 2x - 2

    C.

    y = 4x - 1

    D.

    y = x - 0.5

Download the worksheet for Coordinate Geometry - Equation of a Straight Line (y = mx + c) to practice offline. It includes additional chapter-level practice questions.

Midpoint and Length of a Line Segment

Subtopic

Midpoint and Length of a Line Segment under Coordinate Geometry for Grade 9 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the length of the line segment connecting L(12,11)L(12, 11) and M(15,15)M(15, 15)?

    A.

    55

    B.

    77

    C.

    2525

    D.

    7\sqrt{7}

  2. 2.

    Calculate the length of the line segment joining J(10,20)J(10, 20) and K(10,50)K(10, 50).

    A.

    3030

    B.

    7070

    C.

    4040

    D.

    1010

  3. 3.

    Find the coordinates of the midpoint of H(6,6)H(6, 6) and I(12,6)I(12, 6).

    A.

    (9,6)(9, 6)

    B.

    (18,12)(18, 12)

    C.

    (6,6)(6, 6)

    D.

    (9,12)(9, 12)

Download the worksheet for Coordinate Geometry - Midpoint and Length of a Line Segment to practice offline. It includes additional chapter-level practice questions.

Coordinate Geometry - IGCSE Grade 9 Maths Notes & Revision | Krit.club