document.write( "Question 821734: Find the x-intercept and the y- intercept of the graph of the equation. \r
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document.write( "5x+10y=30 \r
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document.write( "9y-5x =20\r
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document.write( "8x-2y=16 \r
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document.write( "7x+8y=18 \r
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document.write( "2y-12=-6 \r
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document.write( "2x-0.5y=8 \r
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document.write( "4x-6y=-24 \r
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document.write( "3(x+4y)=-24 \r
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document.write( "Y=-3x+12\r
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document.write( "Y=-2x-8\r
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document.write( "Thank you so much for the help you will/are providing me with I greatly appreciate it before hand this Is a great website recommended to me by a friend and I will of course do the same if it works for me thanks \n" );
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Algebra.Com's Answer #494361 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! --- \n" ); document.write( "I will do two of the more difficult ones for you, and you can do the rest: \n" ); document.write( "--- \n" ); document.write( "first, you want to make sure the equation is in standard linear equation form, which is this: \n" ); document.write( "ax + by = c \n" ); document.write( "--- \n" ); document.write( "generally, a, b, and c may be positive, negative, or zero. \n" ); document.write( "--- \n" ); document.write( "EQUATION 1: \n" ); document.write( "--- \n" ); document.write( "in this case, we need to simplify: \n" ); document.write( "3(x + 4y) = -24 \n" ); document.write( "--- \n" ); document.write( "3x + 12y = -24 \n" ); document.write( "--- \n" ); document.write( "and presto, it's now in standard linear equation form, with a=3, b=12, and c=-24 \n" ); document.write( "--- \n" ); document.write( "to solve the linear equation, copy and paste this: \n" ); document.write( "3 12 -24 \n" ); document.write( "into the \"Standard form: A B C\" input box here: https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "answer: \n" ); document.write( "x-intercept = -8 \n" ); document.write( "y-intercept = -2 \n" ); document.write( "slope = -0.25 \n" ); document.write( "--- \n" ); document.write( "now that we have the above information, we can put the equation in slope-intercept form: y = mx + b \n" ); document.write( "where: \n" ); document.write( "m = slope \n" ); document.write( "b = y-intercept \n" ); document.write( "NOTE: this b (y-intercept) is not the same as the b above (from the standard linear equation form) \n" ); document.write( "--- \n" ); document.write( "so we have this now: \n" ); document.write( "y = (-0.25)x + (-2) \n" ); document.write( "y = -0.25x - 2 \n" ); document.write( "--- \n" ); document.write( "graph: \n" ); document.write( "--- \n" ); document.write( " \n" ); document.write( "--- \n" ); document.write( "--- \n" ); document.write( "--- \n" ); document.write( "EQUATION 2: \n" ); document.write( "--- \n" ); document.write( "y = -3x + 12 \n" ); document.write( "--- \n" ); document.write( "this one is already in slope-intercept form: y = mx + b \n" ); document.write( "where: \n" ); document.write( "m = slope = -3 \n" ); document.write( "b = y-intercept = 12 \n" ); document.write( "--- \n" ); document.write( "to find the x-intercept just set y=0 and solve for x, like so: \n" ); document.write( "y = -3x + 12 \n" ); document.write( "0 = -3x + 12 \n" ); document.write( "3x = 12 \n" ); document.write( "x = 4 \n" ); document.write( "x-intercept = 4 \n" ); document.write( "--- \n" ); document.write( "now to graphing: \n" ); document.write( "--- \n" ); document.write( "graph: \n" ); document.write( "--- \n" ); document.write( " \n" ); document.write( "--- \n" ); document.write( "--- \n" ); document.write( "--- \n" ); document.write( "as for the remaining equations, they are all solved by one or the other of the above methods. \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( " |