Simplify by using the properties of complex numbers.i56 + 
A. -1 + 2i
B. 3i
C. 1 + 2i
D. -i
Answer: C
Mathematics
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Solve for x and y: 2x - 4y = 3; 2x + 3y = 5
a.
b.
c.
d.
e.
Mathematics
Write the equation of the ellipse with 
, center at 
, and that passes through 
varid="variable_id_field" variablename="impvar_0110c8c0738144c3917fc45d1" /> and 
. Express the equation in standard form.
What will be an ideal response?
Mathematics
Use the intermediate value theorem for polynomials to show that the polynomial function has a real zero between the numbers given.f(x) = 2x4 - 10x2 + 6; 2 and 3
A. f(2) = 2 and f(3) = -78 B. f(2) = 2 and f(3) = 78 C. f(2) = -1 and f(3) = 79 D. f(2) = -2 and f(3) = 78
Mathematics
Use the One-to-One Property to solve the equation for x.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics