AQA AS-Level C1 Equations

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  • Created by: EmilyHope
  • Created on: 28-04-16 15:09
What is the Quadratic equation?
x= -b +or- Root (b^2-4ac) / 2a
1 of 7
What is the discriminant equation?
b^2 - 4ac
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How do you work out the distance between two points?
Square root of (difference in x)^2 + (difference in y)^2 OR Square root of (x1-x)^2 + (y1 - y)^2
3 of 7
The midpoint?
(average x, average y) or ((x1 + x over 2), (y1 +y over 2)
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Gradient?
change in y / change in x OR y1-y/x1-x
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Equation of a straight line?
(y-y1) = m(x-x1)
6 of 7
Equation of a Circle?
(x-a)^2 + (y-b)^3 = r^2
7 of 7

Other cards in this set

Card 2

Front

What is the discriminant equation?

Back

b^2 - 4ac

Card 3

Front

How do you work out the distance between two points?

Back

Preview of the front of card 3

Card 4

Front

The midpoint?

Back

Preview of the front of card 4

Card 5

Front

Gradient?

Back

Preview of the front of card 5
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