Sketch the graph of the polar equation. Identify the curve.r = 4 sin(2?)
A. lemniscate
B. rose curve
C. rose curve
D. circle
Answer: B
Mathematics
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Factor.25n2 + 68n + 49
A. (5n + 7)(5n - 7) B. (5n - 7)2 C. (5n + 7)2 D. Not possible
Mathematics
Determine the slope and the y-intercept for the linear equation. Use the slope and the y-intercept to sketch the graph of the equation.y = -5x
A. m = - 
, y-intercept: (0, 0)
B. m = -5, y-intercept: (0, 0)
C. m is undefined, no y-intercept
D. m = 0, y-intercept: (0, -5)
Mathematics
Graph the equation.x2 = -18y
A. 
B. 
C. 
D. 
Mathematics
Solve the following system by any appropriate method. If there is no real number solution, so state.x2 + 2y2 = 8x2 - y2 = 1
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 
, 
, 
, 
D. no real solution
Mathematics