Solve the problem.Find a vector v whose magnitude is 2 and whose component in the i direction is five times the component in the j direction.
A. v = 
i + 
j
or
v = - 
i - 
j
B. v = 
i + 
j
or
v = - 
i - 
j
C. v = 
i - 
j
or
v = - 
i + 
j
D. v = - 
i + 
j
or
v = 
i - 
j
Answer: A
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The sides in the pair of figures are proportional. Find the missing length(s).
Give your answers as mixed numbers if appropriate.
A. x = 8
, y = 5
, z = 3
B. x = 8
, y = 5
, z = 3
C. x = 8
, y = 5
, z = 3
D. x = 8
, y = 5
, z = 3
Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.2log x = log 100
A. {±10}
B. {-10}
C. 
D. {10}
Find the zeros of the polynomial function and state the multiplicity of each.f(x) = 4x(x - 5)(x + 9)
A. x = -5, multiplicity 1; x = - 
, multiplicity 1; x = 9, multiplicity 1
B. x = -5, multiplicity 1; x = - 
, multiplicity 1; x = 0, multiplicity 1; x = 9, multiplicity 1
C. x = -9, multiplicity 1; x = 
, multiplicity 1; x = 5, multiplicity 1
D. x = -9, multiplicity 1; x = 0, multiplicity 1; x = 
, multiplicity 1; x = 5, multiplicity 1
Factor the trinomial, if possible.
A. 
B. 
C. 
D. 
E. cannot be factored