357314
Description
Mind Map by megan.snelleksz, updated more than 1 year ago
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Created by megan.snelleksz
about 11 years ago
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Quadratic
equations and
expressions
- Factorise
- Check for a common factor
- 4 terms
- Group terms
- Common factor
- Common factor
- Group terms
- 3 terms (AC method)
- AC method
- Complete the square
- AC method
- 2 terms
- DOTS
- DOTS
- 4 terms
- Check for a common factor
- Solve
- General expression
for quadratic
trinomial: ax + bx + c
- General quadratic
formula -b+- (sq.rt) b^2-4ac/ 2a
- Use the discriminant to find the
number of solutions: b ^2 - 4ac
- 2 solutions
- When there is a positive
number under the square
root there are 2 solutions
- When there is a positive
number under the square
root there are 2 solutions
- 1 solution
- When there is a 0 under
the square root there is
only one solution
- When there is a 0 under
the square root there is
only one solution
- 0 solutions
- When there is a negative
number under the square
root there is no solution
- When there is a negative
number under the square
root there is no solution
- 2 solutions
- Use the discriminant to find the
number of solutions: b ^2 - 4ac
- Null factor law
- General expression
for quadratic
trinomial: ax + bx + c
- Linear equations
(Simultaneous equations)
- Sustitution
- Elimination
- Sustitution
- Parabolas
- Turning point form
( x - h ) ^2 + k
- When in general form of a
quadratic equation use (-b/2a, y)
to find the turning point
- When in general form of a
quadratic equation use (-b/2a, y)
to find the turning point
- Features: Turning
point/ vertex, X
intercept, Y
intercept, axis of
symmetry
- Turning point form
( x - h ) ^2 + k
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