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26 Cards in this Set
- Front
- Back
Complex Conjugate |
complex number that when multiplied by another complex number produces a value that is wholly real |
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Complex Conjugate Theorum |
Let p(x) be a polynomial with real coefficients. If a+bi is a root of the equation p(x)=0, where a and b are real and b≠0, then a-bi is also a root of the equation. |
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Depressed Polynomial |
result of dividing a polynomial by its binomial factors |
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End Behavior |
behavior of the graph as x approaches positive or negative infinity |
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Even-Degree Polynomial Function |
polynomial function in which the highest exponent is an even number; ends will extend in same direction |
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Factor of a Polynomial |
any polynomial that divides evenly into the function |
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Factor Theorum |
The binomial x-a is a factor of the polynomial p(x) if and only if p(a)=0. |
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Fundamental Theorum of Algebra |
If p(x) is a polynomial function of degree n≥1 with complex coefficients, then the related equation p(x)=0 has at least one complex solution. |
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Integer |
number that is not a fraction or decimal |
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Integral Zero Theorum |
If the coefficients of a polynomial function are integers such that an=1and a0≠0, then any rational zeros of the function must be factors of a0. |
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Irrational Root Theorum |
If a polynomial p(x) has rational coefficients and a+b√c is a root of the polynomial equation p(x)=0, where a and b are rational and √c is irrational, then a-b√c is also a root of p(x)=0. |
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Local Maximum |
greatest value of a function for a particular interval of a function |
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Local Minimum |
least value of a function for a particular interval of the function |
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Multiplicity(of a zero) |
number of times a zero of a polynomial function occurs |
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Odd-Degree Polynomial Function |
polynomial in which the highest exponent is an odd number. One end will extend downward. |
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Polynomial Function |
function of the general form f(x)=anXn + an-1Xn-1 + ......., where a1 is a rational number, an≠0, and n is a nonnegative integer and the highest degree of the polynomial |
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Rational Root Theorum |
If the polynomial p(x) has integer coefficients, then every rational root of the polynomial equation p(x)=0 can be written in the form p\q, where p is the factor of the leading coefficient of p(x). |
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Relative Maximum |
greatest value of a function for a particular interval of the function |
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Relative Minimum |
least value of a function for a particular interval of the function |
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Remainder Theorum |
For a polynomial p(x) and a number a, dividing p(x) by x-a results in a remainder of p(a), so p(a)=0 if and only if (x-a) is a factor of p(x). |
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Repeated Root |
polynomial function with a root that occurs more than once |
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Root |
the x-intercept of a function; also known as zero |
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Synthetic Division |
shorthand of dividing a polynomial by a linear binomial |
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Synthetic Substitution |
process of using synthetic division to evaluate a function by using only the coefficients |
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Turning Point |
point where the graph of the function changes direction from sloping upward to sloping downward or vice versa |
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Zero |
the x-intercept of a function; also known as a root |