Use a graphing utility to find or approximate solutions to the equation. If necessary, round your answers to three decimal places.3x2 + 5x - 7 = 0
A. 0.907, -2.573
B. 2.573, -0.907
C. 1.386, 0.281
D. -0.281, -1.386
Answer: A
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Find parametric equations for the line described below.The line through the point P(3, -3, 4) parallel to the vector 
A. x = 7t - 3, y = 3t + 3, z = -8t - 4 B. x = -7t + 3, y = 3t - 3, z = -8t + 4 C. x = -7t - 3, y =3t + 3, z = -8t - 4 D. x = 7t + 3, y = 3t - 3, z = -8t + 4
Add or subtract as indicated. Write the answer in simplest form.- 
+ 
A. 
B. - 
C. 
D. - 
For an election with 4 candidates (A, B, C, and D) we have the following preference schedule:
Using the pairwise comparison ranking method, which candidate comes in third?
A. A B. B C. C D. D E. none of these
List the elements of the set.If A = {-5, -3, -2, -1, 2} and B = {-5, -3, -2, -1}, list the elements of 
A. {-5, -3, -2, -1, 2} B. ? C. {-5, -3, -2, -1} D. {2}