Some Mathematical Tools Used In Economics — Formula Sheet
ICSE · Class 11 · Economics
8 formulas from Some Mathematical Tools Used In Economics (ICSE Class 11 Economics) on one page, grouped by topic.
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Formulas and Key Relations
2. Slope of a Straight Line
Slope = Change in Y / Change in X = ΔY/ΔX
m = (Y2 - Y1)/(X2 - X1) = Vertical difference / Horizontal difference
Slope = -AE/EB = -8/2 = -4
Slope = +BC/+AC = +8/+2 = +4
Slope = ΔY/ΔX = 0/ab = 0
3. Equation of a Straight Line
y = a + bx
y = bx
Key relations
The formula is Slope = Change in Y / Change in X = ΔY/ΔX.
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