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if u have a regular calculator, you cannot put y =, if u have a graphing calculator, then you press the "y =" button
If you put this equation in y-intercept form it is y=4/3x+20 If you have a graphing calculator just enter this in "y=" or graph it manually to find the x-intercept.
LCM is found by factoring, but then you must use all from each, with no repeatsFind LCM for 14x2y3z and 21 xy4factor 14x2y3 = 2.7 x x y y y zfactor 21 xy4 = 3.7 x y y y yfactors 2, 7, x , x , y, y, y, z, 3, y now multiply all theseso LCM = 2.7 x x y y y z . 3 y = 42x2y4zthis can give us a few rulesuse all numerical factorsuse all variable factors with the Largest exponent from each.
y=x+1
The y-intercept of y=3x+1 is at the point (0,1)(i worked it out on a graphics calculator my apologies if you needed working out.)