Graph the region described by the inequality.x - y > -3
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the vertices and foci of the ellipse.16x2 + 121y2 = 1936
A. Vertices: (±11, 0); Foci: (±
, 0)
B. Vertices: (0, ±4); Foci (0, ±
)
C. Vertices: (±4, 0); Foci: (±
, 0)
D. Vertices: (0, ±11); Foci (0, ±
)
Mathematics
Write the equation as f(x) = a(x - h)2 + k. Identify the vertex.f(x) = x2 + 6x - 4
A. f(x) = (x + 6)2 - 40; (-6, -40) B. f(x) = (x + 3)2 - 13; (-3, -13) C. f(x) = (x + 3)2 - 13; (-13, -3) D. f(x) = (x + 6)2 - 40; (-40, -6)
Mathematics
Combine like terms whenever possible. Write the result with descending powers.9x8 + 6x4 - 7x8
A. Cannot be simplified B. 8x20 C. 8x4 D. 2x8 + 6x4
Mathematics
Perform the indicated operation or operations. - 
- 
A. - 
B. - 
C. - 
D. 
Mathematics