Describe how to find all possible rational zeros.
Rational zero test.
Factors of constant divided by the factors of leading coefficient.
Find a possible polynomial in factored form such that 1(with multiplicity 3), -2, and 5 are zeros.
`f(x)=(x-1)^3(x+2)(x-5)`
What is the leading coefficient of
`6x^7+4x^3+5x^2-7x+10`
6
Find the zeros of the following function.
`f(x) = 3x^2(x-4)(x^2-4)(2x+5)`
`0, 4, +-2, -5/2`
Find zeros:
`f(x)=x^2-6x+13`
The zeros are: 3+2i and 3-2i
Use synthetic division to divide
`x^5+5x^4+6x^3-x^2+4x=29`
by x+3
`x^4+2x^3-x+7`
Find rational zeros of
`f(x)=2x^4+x^3-17x^2-4x+6`
`-3, 1/2`
Find a polynomial with zeros at 2 and 3+i.
`f(x)=x^3-8x^2+22x-20`
Find all zeros given that -4 is a zero.
`f(x)= x^4+x^3-14x^2-2x+24`
`+- sqrt(2) , 3, -4`
Find vertical asymptotes:
`(x^2+2x+1)/(x^2-x-6)`
`x = 3 and x= -2`
Find
`i^54`
-1
Find the possible rational zeros of
`f(x)=x^4-5x^3+4x^2+2x-8`
over the set of real numbers.
The possible rational zeros are factors of 8.
`+-1, +-2, +-4, +-8`
Find all real zeros
`f(x)=x^3-3x^2+2x-6`
3
Find x and y intercepts:
`f(x)=(x^2-x-2)/(x-1)`
x intercept: x=2 and -1 y intercept: y=2
Put
`(3+4i)/(1+2i)`
in a+bi form.
`11/5- 2/5i`
Completely factor
`f(x)=x^4-5x^3+4x^2+2x-8`
over the set of complex numbers.
The complex factors are: x-(1+i) and x-(1-i)