Finding the point of intersection of two lines; no graphing needed! (KS#03)

How can you find the point of intersection of two lines, algebraically, without drawing the graphs? Follow this tutorial where I teach you how to find the point if intersection using algebra and the equivalence method.

⏰timecodes⏰

0:00 intro
0:23 example 1
0:24 looking at the graphs
0:54 making the two equations equivalent
1:06 setting up the quadratic equation
2:09 factorising and solving the quadratic equation for the x values
2:35 finding the y values
3:28 example 2
3:46 making the two equations equivalent
4:16 setting up the quadratic equation
4:30 factorising and solving the quadratic equation for the x values
5:13 finding the y values

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