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- Study guides, Class notes & Summaries
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Exam (elaborations)
Pure Maths A Level Questions And Answers 2025/2026
Gradient
y2-y1/x2-x1
Length of a line
sqrt((x2-x1)^2+(y2-y1)^2)
Midpoint
(x1+x2/2, y1+y2/2)
How do you know if two lines are perpendicular?
When you multiply the gradients together they should equal -1. The general rule is perpendicular = -1/m. Or you could use Pythagoras to show there is a right angle
How do you know if two lines are parallel?
The gradients should be the same
What should you always remember when finding the square roots?
The answer could...
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Exam (elaborations)
Pure Maths A Level Questions and Answers 100% Pass
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13
May 2023
2022/2023
A+
Gradient y2-y1/x2-x1
Length of a line sqrt((x2-x1)^2+(y2-y1)^2)
Midpoint (x1+x2/2, y1+y2/2)
How do you know if two lines are perpendicular? When you multiply the gradients together
they should equal -1. The general rule is perpendicular = -1/m. Or you could use Pythagoras to
show there is a right angle
How do you know if two lines are parallel? The gradients should be the same
What should you always remember when finding the square roots? The answer could be
positive or negative
What is...
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Exam (elaborations)
Pure Maths A Level Questions and Answers 100% Pass
Pure Maths A Level Questions and Answers 100% Pass Gradient y2-y1/x2-x1
Length of a line sqrt((x2-x1)^2+(y2-y1)^2)
Midpoint (x1+x2/2, y1+y2/2)
How do you know if two lines are perpendicular? When you multiply the gradients together they should equal -1. The general rule is perpendicular = -1/m. Or you could use Pythagoras to show there is a right angle
How do you know if two lines are parallel? The gradients should be the same
What should you always remember when finding the square roots? T...
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