← Lesson📄 Worksheet✅ Memo📝 Exam test🗝️ Marking guide
∑ DANEMATHICS
FREE CAPS MATHS RESOURCES
Grade 9 · Graphs
Straight-Line Graphs: Reading y = mx + c
MEMORANDUM
Name: 
Class: 
Date: 
Mark
  / 8

Answer all questions. Show all your working — marks are awarded for method as well as the final answer. Teacher copy: accept any correct equivalent method.

  1. 1
    For y = 3x + 2, give the gradient and y-intercept.
    (2)
    Gradient 3, y-intercept 2✓✓ (2)
  2. 2
    For y = −x + 5, where does it cross the y-axis?
    (2)
    At (0, 5)✓✓ (2)
  3. 3
    Find the y-intercept of y = 4x − 7.
    (2)
    −7, i.e. the point (0, −7)✓✓ (2)
  4. 4
    Find the x-intercept of y = 2x − 6.
    (2)
    Set y = 0: 2x − 6 = 0 → x = 3✓✓ (2)
TOTAL: 8 marks
© Danemathics — free to print and share for classroom use.danemathics.com

Printing this sheet

  1. In the print dialog open More settings and untick “Headers and footers” — that is what prints the date, time and web address in the margin.
  2. Leave Pages per sheet on 1 so learners keep the full writing space.
  3. Choose Save as PDF as the destination to download it instead of printing.