document.write( "Question 194437: Help please I have been working on these 3 problems for days and I still can not get it.I am losing my mind at this point.PLEASE HELP
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document.write( "Graph the parabola
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document.write( "1)y=(x-5)^2+4
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document.write( "2)y=4/3*^2 + 8x +12\r
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document.write( "3)Find the x-intercept and the coordinates of the vertex for the parabola y=x^2-6x-7.If there is more than one x intercept separate ith commas
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document.write( "x-intercept:
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document.write( "vertex: \n" );
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Algebra.Com's Answer #146036 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Graph the parabola \n" ); document.write( "1)y=(x-5)^2+4 \n" ); document.write( "Vertex form: (x-5)^2 = -(y-4) \n" ); document.write( "Vertex at (5,4) \n" ); document.write( " \n" ); document.write( "----------------------------------------------------\r \n" ); document.write( "\n" ); document.write( "2)y=4/3*^2 + 8x +12 \n" ); document.write( "Question: Is the 1st term 4/9 ?? \n" ); document.write( "------------------------------------------ \n" ); document.write( "3)Find the x-intercept and the coordinates of the vertex for the parabola \n" ); document.write( "y=x^2-6x-7. \n" ); document.write( "-- \n" ); document.write( "x-intercepts: \n" ); document.write( "Let y = 0 \n" ); document.write( "x^2-6x-7 = 0 \n" ); document.write( "(x-7)(x+1) = 0 \n" ); document.write( "x = -1 or x = 7 \n" ); document.write( "These are the x-intercepts \n" ); document.write( "----------------------------------- \n" ); document.write( "If there is more than one x intercept separate with commas. \n" ); document.write( "x-intercept: (-1,0),(7,0) \n" ); document.write( "vertex: \n" ); document.write( "Complete the square on y = x^2-6x-7 \n" ); document.write( "x^2 - 6x + ? = y + 7 + ? \n" ); document.write( "x^2 - 6x + 9 = y + 7 + 9 \n" ); document.write( "(x-3)^2 = y+16 \n" ); document.write( "Vertex: (3,-16) \n" ); document.write( "-------------------- \n" ); document.write( " \n" ); document.write( "=============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |