Find a rectangular equation for the curve and describe the curve.x = sin ?, y = 3 cos ?; -? ? t ? ?
A. 9x2 + y2 = 9; portion of an ellipse
B. x2 + y2 = 9; circle with radius 3
C. 9x2 + y2 = 9; ellipse
D. x2 + 9y2 = 9; ellipse
Answer: C
Mathematics
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A. {60} B. {120} C. {-120} D. {-60}
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A. (b + 16)2 B. (b + 16)(b - 16) C. (b - 16)2 D. Prime
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A. {49.2} B. {2.0} C. {-49.2} D. {7.0}
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Use a graphing calculator to find the inverse of the matrix.
?
What will be an ideal response?
Mathematics