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19 Cards in this Set
- Front
- Back
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( a + b )^2
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a^2 + 2ab + b^2
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( a - b )^2
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a^2 - 2ab + b^2
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a^2 - b^2
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( a - b )( a + b )
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( a + b )^3
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a^3 + 3a^2b +3ab^2 + b^3
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( a - b )^3
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a^3 - 3a^2b +3ab^2 - b^3
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a / b + c / d
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( ad + bc )/( bd )
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Symbol for intersection
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Upside-down "U"
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Symbol for union
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U
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a^3 - b^3
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( a - b )( a^2 + ab + b^2)
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a^3 + b^3
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( a + b )( a^2 - ab + b^2)
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| ab |
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| a || b |
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| a / b |
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| a | / | b |
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( a / b )^n
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a^n / b^n
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( a * b )^2
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a^2 * b^2
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√( a * b )
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√a * √b
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√( a^2 * b^2 )
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a * b
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How do you make x^2 + bx a perfect square (complete it)?
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Add ( b / 2 )^2.
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Quadratic formula
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x = -b +/- √ (b^2 - 4ac) / 2a
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Circle equation
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( x - h )^2 + ( y - k )^2 = r^2
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