Use the discriminant to determine the number of real solutions.(-7 - 4x)2 = 78
A. No real solutions
B. One real solution
C. Two real solutions
Answer: C
Mathematics
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Graph the function f by starting with the graph of y = x2 and using transformations (shifting, compressing, stretching, and/or reflection).f(x) = 
x2 + 
x - 1 
A. 
B. 
C. 
D. 
Mathematics
Expand, where i2 = -1.(1 + 6i)3
A. 109 + 234i B. -107 - 198i C. -198 - 107i D. 234 + 109i
Mathematics
Solve.
= 9 - 
A. 
B. 
C. 6
D. 7
Mathematics
Rewrite the following statement formally. Use variables and include both quantifiers ? and ? in your answer.
Every even integer greater than 2 can be written as a sum of two prime numbers.
Mathematics