Quiz 2
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Chatty reference · maths1 week 2

87 words
1 min read
2026-08-16

Week 2 — Coordinate System & Straight Lines

  • Cartesian/rectangular coordinate system
  • Coordinates
  • Slope
  • Parallel lines
  • Perpendicular lines
  • Representations of a line
  • General equation of a line
  • Straight-line fitting
Core patterns:
m=y2−y1x2−x1m=\frac{y_2-y_1}{x_2-x_1}
Line representations:
y=mx+cy=mx+c
and
ax+by+c=0ax+by+c=0
Recognition patterns:
  • Two points → find line.
  • Point + slope → find line.
  • Two lines → determine parallel/perpendicular.
  • Equation → extract slope/intercept.
  • Data points → straight-line fit.
Harder questions will combine geometry + algebra + interpretation.
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