document.write( "Question 705760: Someone PLEASE help me!I'm am all sorts of confused on these. Can anyone help me out and show me how do get to these? \r
\n" );
document.write( "\n" );
document.write( "1. Given the following quadratic equation, find
\n" );
document.write( "a. the vertex
\n" );
document.write( "b. the axis of symmetry
\n" );
document.write( "c. the intercepts
\n" );
document.write( "d. the domain
\n" );
document.write( "e. the range
\n" );
document.write( "f. the interval where the function is increasing, and
\n" );
document.write( "g. the interval where the function is decreasing
\n" );
document.write( "h. Graph the function.\r
\n" );
document.write( "\n" );
document.write( "y=-x^2+2x+8\r
\n" );
document.write( "\n" );
document.write( "2. Given the following rational function, find
\n" );
document.write( "a. the horizontal asymptote(s),
\n" );
document.write( "b. the vertical asymptote(s), if any, and
\n" );
document.write( "c. the oblique asymptote(s), if any.
\n" );
document.write( "f(x)=6/(x-5) \n" );
document.write( "
Algebra.Com's Answer #434780 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1. Given the following quadratic equation \n" ); document.write( "y = -x^2+2x+8 \n" ); document.write( "----- \n" ); document.write( "y = -(x^2-2x+?) + 8 + ? \n" ); document.write( "----- \n" ); document.write( "y = -(x^2-2x+1) + 8 + 1 \n" ); document.write( "----- \n" ); document.write( "y = -(x-1)^2 + 9 \n" ); document.write( "---------------------------- \n" ); document.write( "a. the vertex::(1,9) \n" ); document.write( "------------------------ \n" ); document.write( "b. the axis of symmetry:: x = 1 \n" ); document.write( "------------------------ \n" ); document.write( "c. the intercepts \n" ); document.write( "x-int: \n" ); document.write( "Solve -x^2+2x+8 = 0 \n" ); document.write( "x = [-2 +- sqrt(2^2-4*-1*8)]/(-2) \n" ); document.write( "x = [-2 +- sqrt(4+32)]/(-2) \n" ); document.write( "x = [-2 +- 6]/(-2) \n" ); document.write( "x = 4 or x = -2 \n" ); document.write( "---------------------- \n" ); document.write( "y-int: \n" ); document.write( "Let x = 0, then y = 8 \n" ); document.write( "=========================== \n" ); document.write( "d. the domain:: All Real Numbers \n" ); document.write( "---------------------------- \n" ); document.write( "e. the range:: y <= 9 \n" ); document.write( "------------------------------- \n" ); document.write( "f. the interval where the function is increasing:: x < 1 \n" ); document.write( "------------------------------- \n" ); document.write( "g. the interval where the function is decreasing:: x > 1 \n" ); document.write( "------------------------------- \n" ); document.write( "h. Graph the function. \n" ); document.write( "y=-x^2+2x+8 \n" ); document.write( " \n" ); document.write( "--------------------------------------- \n" ); document.write( "2. Given the following rational function \n" ); document.write( "f(x)=6/(x-5) \n" ); document.write( " \n" ); document.write( "a. the horizontal asymptote(s):: y = 0/1 = 0 \n" ); document.write( "--------------------------------------- \n" ); document.write( "b. the vertical asymptote(s):: x = 5 \n" ); document.write( "--------------------------------------- \n" ); document.write( "c. the oblique asymptote(s):: none \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " \n" ); document.write( " |