Holistic Numerical Methods Institute
committed to bringing numerical methods to undergraduates
Multiple Choice Test
Background on Nonlinear Equations
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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).
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? two three cannot be determined Q4. An equation such as tanx=x has __________ root(s). two three infinite Q5. A polynomial of order n has __________ zeros. 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. 0.3979 0.9162 1.609
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