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Solving a Quadratic Equation

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Equ. #6:

Equ. #7:

Equ. #8:

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Ineq. #2:

Ineq. #3:

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Quadratic Equations

Section 2.3
Solving quadratic equations -- ax^2 + bx + c = 0
(1) solve by factoring
(2) solve by completing the square (optional)
(3) solve by quadratic formula

Applications

Section 2.4
Imaginary numbers
Adding, subtracting, multiplying, dividing
Possibility of when solving quadratic equations

Section 2.5
Radical equations, absolute value equations, etc.

Section 2.6
Inequalities, absolute value inequalities
Know interval notation

Section 3.1
distance formula:

midpoint formula:

Section 3.2
Graphing: x- and y- intercepts, symmetry
circles:

half circles

Section 3.3
Lines:

equations of lines:

Know how to leave in general form
Applications