Plot the complex number in the complex plane.-2 - i
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Provide an appropriate response.Which of the statements below is true?A: If (r1, ?1) and (r2, ?2) represent the same point in polar coordinates, then 
B: If (r1, ?1) and (r2, ?2) represent the same point in polar coordinates, then 
for some integer n.
A. B only B. A only C. Neither A nor B D. Both A and B
Mathematics
Add. Do not use a number line except as a check.-1.8 + 6.4
A. 8.2 B. -8.2 C. -4.6 D. 4.6
Mathematics
Solve the equation.x(4x + 6) = 4
A. 
B. 
C. 
D. 
Mathematics
Solve and graph. Write the solution in interval notation.
- 7 > -10
A. ?
B. (-?, ?)
C. 
? 
D. 
Mathematics