Solve and check. Begin by using the addition or multiplication principles of equality to isolate the squared term. x2 + 125 = 0
A. ± 5
B. ± 10i
C. ± i
D. ± 5i
Answer: D
You might also like to view...
A couple is planning to have four children. Suppose that for this couple the probability of a boy is 46% and the probability of a girl is 54%. (Assume the gender of each child is independent from that of the other children.)What is the probability that they will have an equal number of boys and girls?
A. 0.462 × 0.542 B. 0.462 + 0.542 C. 6 × 0.462 × 0.542 D. 4 × 0.462 × 0.542 E. none of these
191ø =
a. 6.28 rad b. 4.91 rad c. 3.97 rad d. 3.14 rad e. 3.33 rad
Find an equation for the line with the given properties.Perpendicular to the line y = 4x - 1; containing the point (4, 2)
A. y = 
x + 3
B. y = 4x + 3
C. y = -4x + 3
D. y = - 
x + 3
Solve.The population of a suburb of Phoenix was 34.6 thousand in 2001. In addition, the population has been growing at a rate of 1.1% annually. Assuming that this growth rate continued, the model 
represents the population (in thousands of people) in the year t.(a) According to the model what will be the population of this suburb in 2010?(b) According to the model, in what year will the population of the suburb be 50 thousand?
A. (a) 37.8 thousand (b) 2002 B. (a) 38.6 thousand (b) 2034 C. (a) 38.2 thousand (b) 2251 D. (a) 38.2 thousand (b) 2035