Solve the problem.4 - i is a solution of a quadratic equation with real coefficients. Find the other solution.
A. -4 - i
B. 4 + i
C. 4 - i
D. -4 + i
Answer: B
Mathematics
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Solve the system by the substitution method. y = x2 - 14x + 49x + y = 19
A. {(-3, 22), (-10, 29)} B. {(7, 12)} C. {(3, 22), (10, 9)} D. {(3, 16), (10, 9)}
Mathematics
Solve the absolute value inequality. Write the solution set using interval notation.6
< 5
A. 
B. 
? 
C. 
? 
D. 
Mathematics
Find the zeros of the function. Give approximate solutions rounded to three decimal places when necessary.f(x) = x2 - 4x + 7
A. 2 ± 3.464 B. 2 ± 1.732 C. 2 ± 1.732i D. 2 ± 3.464i
Mathematics
?Find the sum of the convergent series.
?
?
?
A. ?16 B. ?8 C. ?12 D. ?4 E. ?3
Mathematics