document.write( "Question 99227: I have to find the slope of this line and I know how to find slope but im not sure how to get slope from what they give me on this problem. \r
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document.write( "through (-0.5, 0.5), perpendicular to y = -2x - 4\r
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document.write( "I tried to plug the numbers into the slope formula but its not working out all that good. I'm pretty sure the slope of y = -2x - 4 is -2 but would that be the answer to the entire problem? Can you please help me out ??? \n" );
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Algebra.Com's Answer #72192 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! Y=-2X-4 THIS LINE HAS A SLOPE OF (-2). (RED LINE) \n" ); document.write( "A PERPENDICULAR LINE TO THIS LINE HAS A SLOPE OF (1/2 OR .5) THE NEGATIVE RECIPROCAL OF THE OTHER LINE. \n" ); document.write( "NOW REPLACE THEX & Y TERMS IN THE LINE EQUATION[Y=mN+b BY ONE SET OF (X,Y) POINTS & THE SLOPE VALUE OF .5 7 SOLVE FOR THE Y INTERCEPT (b). THUS: \n" ); document.write( ".5=.5*-.5+b \n" ); document.write( ".5=-.25+b \n" ); document.write( "b=.5+.25 \n" ); document.write( "b=.75 SO THE EQUATION FOR THIS LINE IS : \n" ); document.write( "Y=.5X+.75 (GREEN LINE) \n" ); document.write( " |