document.write( "Question 1165990: Hi, I'd appreciate a response on this.\r
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document.write( "What is the x-intercept of y=2x+8?\r
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document.write( "Please. \n" );
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Algebra.Com's Answer #790464 by Theo(13342)![]() ![]() You can put this solution on YOUR website! the y-intercept is the value of y when x = 0. \n" ); document.write( "the x-intercept is the value of x when y = 0.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "to find the x-intercept, set the value of y equal to 0 and then solve for x. \n" ); document.write( "your equation becomes 0 = 2x + 8 \n" ); document.write( "subtract 8 from both sides of the equation to get: \n" ); document.write( "-8 = 2x \n" ); document.write( "solve for x to get: \n" ); document.write( "x = -4 \n" ); document.write( "that's your x-intercept.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "to solve for the y-intercept, set the value of x equal to 0. \n" ); document.write( "your equation becomes y = 2 * 0 + 8 \n" ); document.write( "solve for y to get: \n" ); document.write( "y = 8 \n" ); document.write( " that's your y-intercept.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "here's a graph of the equation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you can see that x = -4 when y = 0 and y = 8 when x = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the x-intercept is at x = -4. \n" ); document.write( "the y-intercept is at y = 8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "in (x,y) format that becomes:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the x-intercept is at (-4,0). \n" ); document.write( "the y-intercept is at (0,8)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |