Find all rational zeros.f(x) = x4 - 10x3 + 6x2 + 30x - 27
A. {9, 1}
B. {-9, 1}
C. {9, -1}
D. No rational zeros
Answer: A
Mathematics
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If point Q is between P and R on PR and point T is not on PR, then
(a) ?PQT ? ?PTQ. (b) ?TQR = ?QPT + ?PTQ. (c) ?TQR = 90°. (d) ?QPT + ?PQT = ?TQR. (e) None of these is correct.
Mathematics
Solve the problem.A certain radioactive isotope decays at a rate of 0.25% annually. Determine the half-life of this isotope, to the nearest year.
A. 200 years B. 277 years C. 3 years D. 120 years
Mathematics
Write the fractions that represent the shaded and unshaded portions of the given figure.
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Multiply. Write the product in lowest terms.
A. 
B. 
C. - 
D. 
Mathematics