A polynomial of degree n with roots 
can be represented as: 
, where A is a constant (The same "a" that appears outside the parentheses in the field where you will type the polynomial). In this question, the number of roots is 4, because the degree of f(x) is 4. If a polynomial has only real coefficients, the complex roots appear in pairs of conjugates. So, since 
is a zero, 
is a zero too. Then, we have the 4 zeros. Hence, 
will be in the form:
Which is an equation, in point-slope form, of a line that passes through the points (2,9) and (4,5)?
1 answer:
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