Complete the square to find the coordinates of the vertex for the given parabola.y2 + 2y + 9x + 28 = 0
A. Vertex: (-3, 2)
B. Vertex: (1, -3)
C. Vertex: (2, 1)
D. Vertex: (-3, - 1)
Answer: D
Mathematics
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Find the arc length parameter along the curve from the point where t = 0 by evaluating r(t) = (etcos t)i + (etsin t)j + 5etk
A. et - 3
B. et -
C. 3et -
D. 3et - 3
Mathematics
Perform the operation and reduce to lowest terms.6 ÷ 2
A. 2
B. 2
C.
D. 13
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 7|x|
A.
B.
C.
D.
Mathematics
Solve the problem.Edwin has a board that is 10.8 feet long. He wants to cut the board into pieces that are 1.2 feet long. How many 1.2-foot pieces will he get from the large board?
A. 8 pieces B. 90 pieces C. 10 pieces D. 9 pieces
Mathematics