Parallel and Perpendicular Lines (Edexcel GCSE Maths): Flashcards
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12 cards from this deck
What do parallel lines do?
What do parallel lines do?
Never meet
Gradient property of parallel lines
Gradient property of parallel lines
Identical gradients
Angle perpendicular lines meet at
Angle perpendicular lines meet at
90° (right angles)
Gradient relationship for perpendicular lines
Gradient relationship for perpendicular lines
Negative reciprocals
Perpendicular gradient if original gradient is
Perpendicular gradient if original gradient is
Product of perpendicular gradients equals
Product of perpendicular gradients equals
in represents
in represents
Gradient
in represents
in represents
Y-intercept
Gradient determines
Gradient determines
Direction and steepness of line
Formula: parallel lines gradients
Formula: parallel lines gradients
First step for equations not in form
First step for equations not in form
Rearrange to form
To find parallel line equation use
To find parallel line equation use
Same gradient, find new