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 MULTIPLE CHOICE TEST BACKGROUND NONLINEAR EQUATIONS

Q1. The value of x that satisfies f(x)=0 is called the
root of an equation f(x)=0
root of a function f(x)
zero of an equation f(x)=0
none of the above

Q2. A quadratic equation has ________ root(s).
one
two
three
four

Q3. For a certain cubic equation, at least one of the roots is known to be a complex root. How many total complex roots does the cubic equation have?
one
two
three
cannot be determined

Q4. An equation such as tanx=x has __________ root(s).
one
two
three
infinite

Q5. A polynomial of order n has __________ zeros.
n-1
n
n+1
n+2

Q6. The velocity of a body is given by v(t)=5e-t+4 where t is in seconds and v is in m/s. Then the velocity of the body is 6 m/s at t=____________ seconds.
0.1823
0.3979
0.9162
1.609

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