True: The line y=x goes through the origin, The line y=2x+1 goes through the point (3,7), The lines y=-3x and y=1/3x are perpendicular, The line y=2x+7 crosses the y-axis at 7, The angles in a pentagon add up to 540 degrees, The lines y=3x and y=-2x intersect at (0,0), False: 51 is a prime number, The line y=-2x goes through the point (2,1), A trapezium has 1 line of symmetry, A 12 sided shape is called a hedecagon, The exterior angles of a triangle add up to 180 degrees, The line 2y+x+7 = 0 goes through the point (3,1),

a-level miscellaneous

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