Sequences and straight-line graphs
Lesson 7 of 13
y = mx + c
Objective. Interpret and sketch straight-line graphs from their equation.
The key idea
m is the gradient — how far up for each step right — and c is where the line crosses the y-axis.
Practice
Each question comes with a picture and a listen button. Try it first, then reveal the answer.
Your progress
Tick each step as you finish it — Continue brings you back here.
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