Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. x16
B. x2
C. x6
D. 
Answer: C
Mathematics
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Write the first three terms in the binomial expansion, expressing the result in simplified form.(x + 2)20
A. x20 + 40x19 + 760x18 B. x20 + 760x19 + 760x18 C. x20 + 40x19 - 760x18 D. x20 + 380x19 + 760x18
Mathematics
Compute AB, if possible.A = 
and B = 
A. 
B. 
C. 
D. not possible
Mathematics
Graph the equation and give the coordinates of the vertex.y = x2 + 4
A. (-4, 0)
B. (4, 0)
C. (0, -4)
D. (0, 4)
Mathematics
The foci F1 and F2, the vertices V1 and V2, and the endpoints U1 and U2 of the minor axis are as labeled in the figure. Graph the ellipse and find its standard equation. (The coordinates of V1, V2, U1, and U2 are integers, and the coordinates of F1 and F2 are given.)
A. 
+ 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Mathematics