document.write( "Question 39585: Graph the function\r
\n" ); document.write( "\n" ); document.write( "f(x)= -2x - 5\r
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Algebra.Com's Answer #25033 by Nate(3500)\"\" \"About 
You can put this solution on YOUR website!
\"f%28x%29=+-2x+-+5\"
\n" ); document.write( "Use slope-intercept form \"y+=+mx+%2B+b\" where M is the slope and B is the y-intercept to help you solve.
\n" ); document.write( "The slope is (-2/1). The y-intercept is (-5).
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Solved by pluggable solver: DESCRIBE a linear EQUATION: slope, intercepts, etc
Equation \"2+x+%2B+1+y+=+-5\" describes a sloping line. For any
\n" ); document.write( " equation ax+by+c = 0, slope is \"-a%2Fb+=+-2%2F1\".
  • X intercept is found by setting y to 0: ax+by=c becomes ax=c. that means that x = c/a. -5/2 = -2.5.
  • Y intercept is found by setting x to 0: the equation becomes by=c, and therefore y = c/b. Y intercept is -5/1 = -5.
  • Slope is -2/1 = -2.
  • Equation in slope-intercept form: y=-2*x+-5.
\"graph%28+500%2C+500%2C+-2.5-8%2C+-2.5%2B8%2C+-5-8%2C+-5%2B8%2C+-2%2Ax%2B-5+%29+\"\n" ); document.write( "
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