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Not your average video:
Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.
Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.
Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.
Cartesian plane & lines
Watch comprehensive video reviews for Cartesian plane & lines, designed for final exam preparation. Each video includes integrated problems you can solve alongside detailed solutions.
Not your average video:
Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.
Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.
Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.
Not your average video:
Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.
Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.
Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.
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SL Core 2.1
If we know a point (x1,y1)on a line and the gradient m of the line, we can use the point slope form of the line:
Example
Find the equation of the line slope −2 passing through (3,1), giving your answer in the form y=mx+c.
Using point-slope form:
Expanding and rearranging gives y=−2x+7
SL Core 2.1
If we know a point (x1,y1)on a line and the gradient m of the line, we can use the point slope form of the line:
Example
Find the equation of the line slope −2 passing through (3,1), giving your answer in the form y=mx+c.
Using point-slope form:
Expanding and rearranging gives y=−2x+7