Sketch the graph represented by the equation.16x2 + 16(y2 + 1) = 256 + 8y
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the sum without the use of a number line.-15 + (-11)
A. -4 B. 26 C. -26 D. 4
Mathematics
Write the vector v in the form ai + bj, given its magnitude 
and the angle ? it makes with the positive x-axis.
= 15, ? = 60°
A. v = 
i + 
j
B. v = - 
i - 
j
C. v = 
i + 
j
D. v = 
i + 
j
Mathematics
Find an equation for the ellipse described. Graph the equation.Foci at (-1, -1) and (-1, -7); length of major axis is 10
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = x2 + 12x - 1
A. (6, 107) B. (-6, -109) C. (12, 287) D. (-6, -37)
Mathematics