exam Maths Puzzle Numerical Ability

Solve each of the following systems by graphing.

2x - y = 4
2x - y = 6
Of course there is a graph below with "y" on the top middle and an "x" in the middle line (arrow). Can s

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exam Other Question
In order to find the height of an obtuse triangle does the base need to be one of the obtuse angle sides? Why? Thank you. What are the solutions to, x^2-2x=0.