document.write( "Question 1167941: How do I write an equation for: with x intercept 4 and y intercept 5 \n" ); document.write( "

Algebra.Com's Answer #792537 by ikleyn(52787) $\"\"$ $\"About$

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\n" ); document.write( "How do I write an equation for: with x-intercept 4 and y-intercept 5
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document.write( "An equation of a straight line in a coordinate plane in the slope-intercept form is \r\n" );
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document.write( "    y = mx + b.   (1)\r\n" );
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document.write( "You need to find the parameters \"m\" and \"b\" from the given data.\r\n" );
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document.write( "For it, you need to know that y-intercept is the value of \"b\".\r\n" );
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document.write( "\"y-intercept 5\"   means  b= 5.\r\n" );
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document.write( "You also need to know that x-intercept is the value of x, which makes \"y\" equal to zero in the equation (1).\r\n" );
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document.write( "\"x-intercept 4\"   means  0 = m*4 + 5,  which implies m = .\r\n" );
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document.write( "Now the final equation of the line is  y = .     ANSWER\r\n" );
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