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6 Cards in this Set
- Front
- Back
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Exponents-key concepts:
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1.(X^m)(X^n)= X^m+n
2. X^m/X^n = X^m-n 3. (X^m)^n = X^mn 4. (X^n)(Y^n) =(XY)^n 5. X^n/Y^n = (X/Y)^n |
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Difference of squares
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a^2 - b^2 = (a+b)(a-b)
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Sqaure of binomials
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a^2 + 2ab + b^2 = (a+b)^2
a^2 - 2ab + b^2 = (a-b)^2 |
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Quadractic Equation
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a^2 + bx + c = 0
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Quadractic Formula
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-b +- sq. root (b^2 - 4ac)
x = ------------------------- 2a |
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Absolute value and inequalities
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If n > 0,
| whatever | < n ==> -n < |whatever| < n or |Whatever|>n ==> whatever < -n or whatever > n |
