Find an equation for the graph.
A. y = -4 sin 
B. y = -4 sin (2x)
C. y = -4 cos (2x)
D. y = -4 cos 
Answer: C
Mathematics
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Solve.
+ 
= 
A. 3 B. 7, 2 C. -7, -2 D. 7
Mathematics
Provide an appropriate response.Simplify the expression: 8x4 + 2x4
A. 16x4 B. 16x8 C. 10x8 D. 10x4
Mathematics
Tell whether the given equation describes a parabola, an ellipse, or a hyperbola.r = 
A. Parabola B. Ellipse C. Hyperbola
Mathematics
Write the conjugate 
of the complex number z. Then find z
.z = 5 + 6i
A. 
= 5 - 6i, z
= -11
B. 
= 5 - 6i, z
= 25 - 36i
C. 
= 5 - 6i, z
= 61
D. 
= 5 - 6i, z
= 25 - 36i2
Mathematics