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48 Cards in this Set
- Front
- Back
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formula for factoring differences of cube |
(a-b) (a^2 + ab + b2) |
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formula for factoring sums of cube |
(a+b) (a^2 - ab + b^2) |
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formula for difference of squares |
(a+b)(a-b) |
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what is the formula for binomial distribution |
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formula for geometric distribution |
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formula for poisson distribution |
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compound probability formula |
P(AB) = P(A) • P(B) for dependent
P(A or B) = P(A) + P(B) |
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bayes theorem |
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formula for complementary of event a |
P(A') = 1-P(A) |
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formula for P(A or B) for non mutually exclusive events |
P(A) = P(A) + P(B) - P(A and B) |
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formula for P(A or B) for mutually exclusive events |
P(A or B) = P(A) + P(B) |
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formula for P(A and B) of independent events |
P(A and B) = P(A) • P(B) |
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formula for P(A and B) for dependent events |
P(A and B) = P(A/B) • P(B) |
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formula for checking if two events are dependent |
P(A/B) = P(A) |
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formula for absolute value of complex numbers |
| a + bi | = sqrt of a^2 + b^2 |
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how to rationalize an expression with a denominator that consists of 2 terms? |
multiply top and bottom by its conjugate |
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i^2 is equal to? |
-1 |
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i^2 is equal to? |
-1 |
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i^4 is equal to? |
1 |
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i^2 is equal to? |
-1 |
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i^4 is equal to? |
1 |
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if an i has a power that's divisible by 4 then its value is equal to? |
1 |
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i^2 is equal to? |
-1 |
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i^4 is equal to? |
1 |
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if an i has a power that's divisible by 4 then its value is equal to? |
1 |
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how to solve for complex number equations? |
separate i and non i terms |
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if the base of a log isnt specified, then its base is? |
10 |
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if the base of a log isnt specified, then its base is? |
10 |
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what is the log base formula |
log a of b = log b / log a |
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discriminant |
Back (Definition) |
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formula for the x coordinate of a vertext of a quad eq in standard form |
Back (Definition) |
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how to identify the perpendicular line of a linear function |
Back (Definition) |
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how to identify the perpendicular line of a linear function |
Back (Definition) |
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Front (Term) |
point slope form |
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formula for slope intercept |
y = mx + b |
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formula for slope intercept |
y = mx + b |
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formula for standard form of a linear equation |
ax + by = c |
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if given two points, (0, x), what is the value of y in a quadratic equation? |
y = x |
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the parallel of a line of a linear function |
if they have the same slope |
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formula for slope |
y2-y1 / x2-x1 |
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log 1 is equal to? |
0 |
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log 1 is equal to? |
0 |
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lne is equal to? |
1 |
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e is equal to? |
2.718... |
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x^log base x of (y) is equal to? |
y |
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formula for vertex form of a quad eq |
y = a(x-h)^2 + k |
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when a linear function is a horizontal line then its slope is? |
0 |
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when a linear function is a vertical line then its slope is? |
undefined |
