document.write( "Question 522862: I need to derive a linear polynomial function(in point slope form) with this information:
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document.write( "y-intercept of 10, decreasing on [-2,-4] with a slope of -.5\r
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document.write( "i have tried to do it myself, but i could not figure out the x-intercept. This is what I have so far: y-10 = -.5(x-x)\r
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Algebra.Com's Answer #347045 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! derive a linear polynomial function(in point slope form) with this information: \n" ); document.write( "y-intercept of 10, decreasing on [-2,-4] with a slope of -.5 \n" ); document.write( "i have tried to do it myself, but i could not figure out the x-intercept. \n" ); document.write( "---- \n" ); document.write( "Form: y = mx + b \n" ); document.write( "m is the slope = -0.5 \n" ); document.write( "b is the y-intercept = 10 \n" ); document.write( "---- \n" ); document.write( "Equation: \n" ); document.write( "y = -0.5x + 10 \n" ); document.write( "================================= \n" ); document.write( "x-intercept ?? \n" ); document.write( "Let y = 0 and solve for \"x\"; \n" ); document.write( "0 = -0.5x + 10 \n" ); document.write( "0.5x = 10 \n" ); document.write( "x = 20 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "====================== \n" ); document.write( " |