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

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

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

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

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

The velocity of a body is given by where t is in seconds and v is in m/s. Then the velocity of the body is 6 m/s at t=____________.
0.1823 s
0.3979 s
0.9162 s
1.609 s