3853660
Description
Mind Map by Ee Lyn Lim, updated more than 1 year ago
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Created by Ee Lyn Lim
over 8 years ago
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Quadratic Eq. & Ex.
- Equation: ax^2+bx+c =y
- Expression= ax^2+bx+c
- Function=f(x)=ax^2+bx+c
- Finding roots or range of
Equation/Expression
- Completing Square
- divide the coefficient of x by 2
- square the whole thing
eg. (2/2)=1 so, (x+1)^2
- subtract the number you gt and
put in c from the original equation
- divide the coefficient of x by 2
- Cross-Multiplication
- Factorization
- Factorization
- General Formulae
- Completing Square
- x>0= 2 distinct roots.
so, curve touches two
points on x-axis
- x=0, equal roots.
so, curve touches
only one point on
the x-axis
- x<0, no real roots.
so, curve will not
touch the x-axis
- Quadratic Inequalities
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