Use the quadratic formula to find the exact solutions.4x2 - 27x - 7 = 0
A. - 
, 7
B. - 
, -4
C. - 
, 4
D. -4, 7
Answer: A
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The first three terms of an arithmetic sequence are 23, 22, 21, find the 86th term.
A. –62 B. –108 C. 1,954 D. –63
Solve the problem.Jack borrowed $1,110 from his brother. Jack's brother wants 9 monthly payments of $140 to repay the loan. How much extra is Jack's brother charging for the loan?
A. $10 B. $1,360 C. $150 D. $1,260
Use the information in the table to solve the problem. Write your answer as a fraction in lowest terms.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater.
Find the ratio of pollutant C to pollutant D.
A. 
B. 
C. 
D. 
Find an equation for the ellipse described.Vertices at (5, -4) and (5, 8); length of minor axis is 6
A. 
+ 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
+ 
= 1