Find the midpoint of the line segment joining the points P1 and P2.P1 = (3a, 4); P2 = (4a, 9)
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Write an equation for the line passing through the given pair of points. Give your final answer in standard form.(-4, 0) and (0, 5)
A. 5x - 4y = -20 B. 4x - 5y = -20 C. 5x + 4y = -20 D. 5x - 4y = 5
Mathematics
Rotate the axes so that the new equation contains no xy-term. Graph the new equation.x2 + 2xy + y2 - 8x + 8y = 0
A. 
B. 
Mathematics
Solve the problem.Decide whether or not the points are the vertices of a right triangle.(-13, 8), (-2, -3), (0, -1)
A. Yes B. No
Mathematics
Perform the indicated operation and, if possible, simplify.
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A. 
B. 
C. 
D. 
Mathematics