Solve.y2 + 8y = 5
A. -4 ± 
B. -1 ± 
C. 4 + 
D. -4 ± 2
Answer: A
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Find the intercepts and then graph the line.3x + 2y = 12
A. x-intercept: (6, 0); y-intercept: (0, 4)
B. x-intercept: (4, 0); y-intercept: (0, - 6)
C. x-intercept: (4, 0); y-intercept: (0, 6)
D. x-intercept: (6, 0); y-intercept: (0, - 4)
Answer the question.The table below gives the actual values of the population of a small island in the Pacific Ocean. The population is modeled by the equation 
where 
represents the population of the island in 1990.
How does the model differ from the actual values?
A. The display indicates that for the year 1993, the model gives a value of about 89 people, which is slightly more than the actual value of 88 people. B. The model does not differ from the actual figures. C. The display indicates that for the year 1993, the model gives a value of about 88 people, which is slightly less than the actual value of 87 people. D. The display indicates that for the year 1995, the model gives a value of about 88 people, which is slightly more than the actual value of 87 people.
Use the Rational Zero Theorem to list all possible rational zeros for the given function.f(x) = -2x3 + 2x2 - 4x + 8
A. ± 
, ± 
, ± 
, ± 1, ± 2, ± 4, ± 8
B. ± 
, ± 1, ± 2, ± 4, ± 8
C. ± 
, ± 1, ± 2, ± 4
D. ± 
, ± 
, ± 1, ± 2, ± 4, ± 8
Compute.
A. 4 hr 2 min B. 4 hr 58 min C. 3 hr 58 min D. 3 hr 2 min