← Unit 3 Checkpoint 1 ? Linear Relationships
Checkpoint 1

Checkpoint 1 ? Linear Relationships

⏱ 20 min📚 Year 9
Covers: Gradient, y = mx + b, graphing lines, equations, parallel/perpendicular, modelling, inequalities
Checkpoint 1
Test your understanding of Lessons 1-7
1 Find the gradient of the line through $(2, 3)$ and $(6, 11)$.
2 The y-intercept of $y = -3x + 7$ is:
3 A line parallel to $y = 2x + 1$ has gradient:
4 Solve $-2x > 8$:
5 The general form of $y = 3x - 2$ is:
6 Find the equation of the line through $(0, -3)$ with gradient $4$:
7 A plumber charges $80 call-out plus $60/hour. Cost for 3 hours:
8 Perpendicular to $y = (1/2)x + 3$ has gradient: