Determine which, if any, of the three lines PQ, PR and QR are perpendicular.
?
P (4, 6)
Q (4, 12)
R (10, 6)
?

A. PR and QR are perpendicular.
B. PQ and PR are perpendicular.
C. PQ and QR are perpendicular.
D. None of the lines are perpendicular.


Answer: B

Mathematics

You might also like to view...

A mail truck must deliver packages to 5 different homes (A, B, C, D, and E). The trip must start and end at A. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled. The nearest-neighbor tour starting with vertex A is given by:

A. A, C, D, B, E, A. B. A, D, B, E, C, A. C. A, B, C, D, E, A. D. A, E, C, D, B, A. E. none of these

Mathematics

Solve the equation.3-x = 

A.
B. {-2}
C. {2} 
D.

Mathematics

Evaluate the terms of the sum using the given information.x1 = 1, x2 = -4, x3 = -3, x4 = 0, and ?x = -0.4; f(x) = x2 - 4

A. -0.6 + 14.4 + 7.4 - 1.6 B. 1.2 - 4.8 - 2 + 1.6 C. 2.6 - 2.4 - 1.4 + 1.6 D. -3 + 12 + 5 - 4

Mathematics

Graph the rational function and analyze it in the following way: find the intercepts, asymptotes, use limits to describe the behavior at the vertical asymptotes and the end behavior. Find the domain and range. Determine where the function is continuous and where it is increasing and decreasing. Find any local extrema. f(x) =  

What will be an ideal response?

Mathematics