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Depdendent Variable

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Equ. #1:

Equ. #2:

Equ. #3:

Equ. #4:

Equ. #5:

Equ. #6:

Equ. #7:

Equ. #8:

Equ. #9:

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Dependent Variable

Number of inequalities to solve:

Ineq. #1:

Ineq. #2:

Ineq. #3:

Ineq. #4:

Ineq. #5:

Ineq. #6:

Ineq. #7:

Ineq. #8:

Ineq. #9:

Solve for:

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THE QUADRATIC FORMULA

Quadratic Theorem
• For any quadratic equation in the form ax²+bx+c = 0, where a ≠ 0, the two solutions are:

Note: one solution is positive and one is negative

Steps
1.Write equation in the form ax²+ bx+ c = 0
2.Identify a, b, and c
3.Plug into quadratic formula
4.Simplify.
*Remember you should have two solutions when finished.

Examples
1.X²-9x +20 = 0
2.6x²= -5x +4
3.2x³+ 11x²+12x = 0
4.3x²+ 6x -2 = 0

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THE QUADRATIC FORMULA