Use the discriminant to determine whether the equation has two rational solutions, one rational solution, two irrational solutions, or two nonreal complex solutions. Do not actually solve.w2 + 5w + 8 = 0
A. Two rational solutions
B. Two irrational solutions
C. One rational solution
D. Two nonreal complex solutions
Answer: D
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Solve the triangle. Approximate values to the nearest tenth when appropriate. ? = 63.5° a = 12.20 c = 7.80
A. b = 13.2, ? = 73.1°, ? = 37.4° B. b = 11.2, ? = 77.8°, ? = 38.7° C. No solution D. b = 12.2, ? = 75.1°, ? = 41.4°
Find the following. Assume that letters can represent any real number.
A. 
B. 
C. 
D. a + b
Solve the problem.Since sin 
= 
and 
is in the interval 
, sin-1 
=
A. 
B. 
C. - 
D. - 
Solve.In 1998, the population of Country C was 38 million, and the exponential growth rate was 1% per year. Find the exponential growth function.
A. P(t) = 38e0.01t, where P(t) is in millions and t is the number of years after 1998. B. P(t) = 38e1t, where P(t) is in millions and t is the number of years after 1998. C. P(t) = 380.01t , where P(t) is in millions and t is the number of years after 1998. D. P(t) = 38e0.01, where P(t) is in millions and t is the number of years after 1998.