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10 cards from this deck
Overall rate of change between two points on a curve
Straight line passing through two points on a curve
y2−y1x2−x1\frac{y_2 - y_1}{x_2 - x_1}x2−x1y2−y1
Change in y divided by change in x (average gradient mnemonic)
f(a+h)−f(a)h\frac{f(a+h) - f(a)}{h}hf(a+h)−f(a)
Tangent line
Gradient at a point when two points coincide
Function is decreasing
2a+h2a + h2a+h
−4-4−4
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