Use the discriminant to determine the number of real solutions of the equation.-10 - 5a2 = -2a - 15
A. 2
B. No real solutions
C. 1
Answer: A
Mathematics
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Write as a percent.
A. 20% B. 50% C. 5% D. 250%
Mathematics
Use De Morgan's law to write the negation for the statement.Roger or Emil will attend the game.
A. Roger will not attend the game and Emil will attend the game. B. Roger or Emil will not attend the game. C. Roger will not attend the game and Emil will not attend the game. D. Roger and Emil will attend the game.
Mathematics
Solve the problem.Find the sum of the first 5 terms of the geometric sequence 1, -4, 16, . . . .
A. 341 B. -205 C. -341 D. 205
Mathematics
Provide an appropriate response.The following proportion is not true. Change any one of the numbers in the proportion to make it true. 
What will be an ideal response?
Mathematics