5 Questions |
By Cookieminer59 | Last updated: Oct 30, 2013
| Total Attempts: 91
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Questions and Answers
1.
0=x^2+9
A.
X=±3
B.
X=±3i
C.
X=9i
D.
X=3, x=3i
2.
Find all zeros and write a linear factorization of f(x) if
f(x)=x^4+10x^3+25x^2+40x+84
A.
X=3,-7,-2
B.
X=6,14,±4i
C.
X=3,-7,±2i
D.
X=-3,7,2i
3.
Write a polynomial of minimum degree in factored form with real coefficients whose zeros and their multiplicities include those listed. 2 (multiplicity 3), -4 (multiplicity 2).
A.
(X+2)^3 (X-4)^2
B.
(X-2)^3 (X+4)^2
C.
(X-3)^2 (X+2)^4
D.
(X+3)^2 (X-2)^4
4.
State how many complex and real zeros the following functions have.
F(x)=x^3+3x^2-14x-20
A.
Real: 1, Imaginary:2
B.
Real: 2, Imaginary: 1
C.
Real: 2, Imaginary: 2
D.
Real: 1, Imaginary: 1
5.
State how many complex and real zeros the following functions have.
f(x)=x^3-x+3
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