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19 Cards in this Set
- Front
- Back
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a^m * a^n =
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a^(m+n)
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a^m
--------- = a^n |
a^ (m-n)
(a =/= 0) |
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(a^m)^n =
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a^(mn)
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(ab)^n =
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a^n * b^n
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(a/b)^n =
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a^n
------ b^n (b =/= 0) |
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(a+b)^2 =
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a^2 + 2am + b^2
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(a-b)^2 =
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a^2 - 2ab + b^2
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(a+b) (a-b) =
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a^2 - 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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a^3 - b^3 =
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(a-b) (a^2 + ab + b^2)
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quadratic formula
a x^2 + bx + c = 0 |
x = (-b +- sqrt(b^2 - 4ac)) / 2a
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(P/Q) * (R/S) =
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PR
----- QS |
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(P/Q) / (R/S) =
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PS
----- QR |
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(P/R) + (Q/R) =
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P + Q
----------- R |
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(P/R) - (Q/R) =
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P - Q
----------- R |
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Distance formula
two points P1(x1, y1) and P2(x2, y2) |
d = sqrt ( (x2 - x1)^2 + (y2 - y1)^2 )
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Equation of a Circle
Center C (h, k) Radius r |
(x-h)^2 + (y-k)^2 = r^2
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Point slope formula of a line
slope m point (x1, y1) |
y - y1 = m (x - x1)
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Slope Intercept formula of a line
slope m y-intercept at (0, b) |
y = mx + b
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