document.write( "Question 519906: what is the equation of the line that passes through (-2,4) and (2,7) \n" ); document.write( "

Algebra.Com's Answer #345841 by oberobic(2304) $\"\"$ $\"About$

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m = (4-7) / (-2-2)
\n" ); document.write( "m = -3 / -4
\n" ); document.write( "m = 3/4
\n" ); document.write( ".
\n" ); document.write( "y = 3/4x + b
\n" ); document.write( ".
\n" ); document.write( "use one of the points to find 'b'
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\n" ); document.write( "4 = (3/4)*(-2) +b
\n" ); document.write( "4 = -(6/4) + b
\n" ); document.write( "4 + 6/4 = b
\n" ); document.write( "22/4 = b
\n" ); document.write( "b = 22/4
\n" ); document.write( ".
\n" ); document.write( "y = 3/4*x + 22/4
\n" ); document.write( ".
\n" ); document.write( " $\"+graph%28500%2C500%2C-10%2C10%2C-10%2C10%2C3%2F4%2Ax%2B22%2F4%29+\"$ \n" ); document.write( "

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