A right triangle contains a right angle, so it must have two sides that are perpendicular. If the slopes of two sides can be shown to be negative reciprocals of each other, then it can be concluded that a right angle is formed. If a triangle contains a right angle, then it is a right triangle.
Plug in (3,-1) into equations to see:
-1=2-3
-1=-1 CHECK
3-2(-1)=2(3)
3+2=6
5=6 NO
This is not a solution.
Answer:
Equation 1: No solution
Equation 2: Infinity
Equation 3: One solution
Equation 4: Infinity
Equation 5: No solution
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3xy + 4x -16 ...... I hope that helps .
