Equations Formula:
Here in this page we will discuss all basic concept of Equations Formula. So, let’s get started.
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What is linear equation ?
when equation between two variables that gives a straight line when plotted on a graph its called linear equation.
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ax + b = 0, a ≠ 0 ⇒ x = – b / a
Two Linear Equations :
a1 x + b1 y = c1 a1 / a2 ≠ b1 / b2
a2 x + b2 y = c2
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Exponential Equation :
- ax = c, a > 0
- If c > 0, a ≠ 1 : So one root x = loga c
If c = 1, a = 1, So many roots,
If c ≠ 1, a = 1, So no solution,
If c ≤ = 0, no So no solution,
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Logarithmic Equations :
logaa x = c (a > 0, a ≠ 1)
x = a c
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Function Transformation Rule:
Horizontal Shifting :
g(x) = f(x – c)
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Vertical Shifting :
g(x) = f(x) + c

Stretching :
g(x) = c f(x), 0 < c < 1
h(x) = D f(x), D > 1
Reflection :
g(x) = f(-x)
h(x) = -f(x)
Exponential Inequation :
- αA(x) > aB(x)
- α > 0, A(x) > B(x)
- 0< α < 1, A(x) < B(x)
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Logarithmic Inequation :
loga α(x) = loga β(x)
- a > 1:
- β(x) > 0 , α(x) > β(x)
- 0<a<1:
- α(x) > 0, α(x) < β(x)
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Other Functions Graph:
Square Root :
Parabolic:

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Reciprocal :

Cubic :
Sec :
Cosec :
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Absolute :
Constant :
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