Write the expression in the standard form a + bi.
4
A. 4i
B. -4i
C. 4
D. -4
Answer: D
Mathematics
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Solve the equation.43 - x = 24 (Round to the nearest hundredth.)
A. 3.00 B. -3.00 C. 0.71 D. 3.44
Mathematics
Use a graphing utility to solve the system of equations. Find the solution(s) accurate to two decimal places.
?
?
A. ?
(-4, 1)
B. ?
(0, 4)
C. ?
(0, -4)
D. ?
(4, 4)
E. ?
(-4, 1)
Mathematics
Solve the problem.A normal line to the paraboloid 
also passes through the point 
Find the point on the paraboloid that the normal line passes through.
A. (2, 5, 86) B. (2, 86, 5) C. (5, 38, 2) D. (5, 2, 38)
Mathematics
Solve the radical equation.
= -4
A. 
B. 
C. 
D. 
Mathematics