First, you give random values for X. Then substitute those values in the equation one at a time to find the Y value. Example:
Lets say I give X these following numbers: 0, 2, and 4.
So let sub those numbers in one at a time to find a y value for each one.
9(0) - 6y = 1 ---> 0 - 6y = 1 (Nine times zero equal zero) ----> -6y = 1 (then divide negative six on both side to leave y by itself) ---> y = - 1/6 (you can leave the answer as decimal if you want)
So we have the Y value for the first number, 0(x), is -1/6(y).
Now let do it again for the second number, 2.
9(2) - 6y = 1 ----> 18 - 6y = 1 (nine times 2 equal 18) ----> -6y = - 17 (I subtract 18 on both side to try to get Y by itself) ---> y = 17/6 (I then divide negative six on both side to try to get Y by itself. Negative 17 divide by a negative number, they both cancel each out and give a positive answer)
So we have the Y value for the second number, 2(x), is 17/6
Now we have two set of answers of: (0, -1/6) and (2, 17/6) ---- (x,y)
Now plug those two pair in the graph and see where they intercept and you would get the answer. If they didn't intercept, then make up few more number and repeat the process until you have enough points to plug in the graph.
IT IS SOOOOO EASY! LOL. Simple. To find the Y intercept, plug in 0 for x. To find the X intercept, plug in 0 for Y. 0-6y=1, y= -(1/6) See, Y, notice that Y EQUALS that. 9x - 0 = 1, x = (1/9)... See, X, notice that X EQUALS that. So, those are the intercepts. It is when the line intercepts the X, and Y axis at that point. The logic here, is that, when it intersects the y axis, X will be 0. When it does the same to the X axis, Y will be 0. :) LOL.
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First, you give random values for X. Then substitute those values in the equation one at a time to find the Y value. Example:
Lets say I give X these following numbers: 0, 2, and 4.
So let sub those numbers in one at a time to find a y value for each one.
9(0) - 6y = 1 ---> 0 - 6y = 1 (Nine times zero equal zero) ----> -6y = 1 (then divide negative six on both side to leave y by itself) ---> y = - 1/6 (you can leave the answer as decimal if you want)
So we have the Y value for the first number, 0(x), is -1/6(y).
Now let do it again for the second number, 2.
9(2) - 6y = 1 ----> 18 - 6y = 1 (nine times 2 equal 18) ----> -6y = - 17 (I subtract 18 on both side to try to get Y by itself) ---> y = 17/6 (I then divide negative six on both side to try to get Y by itself. Negative 17 divide by a negative number, they both cancel each out and give a positive answer)
So we have the Y value for the second number, 2(x), is 17/6
Now we have two set of answers of: (0, -1/6) and (2, 17/6) ---- (x,y)
Now plug those two pair in the graph and see where they intercept and you would get the answer. If they didn't intercept, then make up few more number and repeat the process until you have enough points to plug in the graph.
IT IS SOOOOO EASY! LOL. Simple. To find the Y intercept, plug in 0 for x. To find the X intercept, plug in 0 for Y. 0-6y=1, y= -(1/6) See, Y, notice that Y EQUALS that. 9x - 0 = 1, x = (1/9)... See, X, notice that X EQUALS that. So, those are the intercepts. It is when the line intercepts the X, and Y axis at that point. The logic here, is that, when it intersects the y axis, X will be 0. When it does the same to the X axis, Y will be 0. :) LOL.