document.write( "Question 68069: I have asked this question within the past two days without a response. I am having a tough time figuring out how to set this problem up. Once I know how to set it up and why, I can probably solve the equation. I hope someone out there can help me with this one, please.\r
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document.write( "Find two consecutive positive integers such that the sum of their squares is 85. [You must use algebra to solve this, setting up an equation with a variable, and using algebra to solve for the variable.] \n" );
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Algebra.Com's Answer #48370 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! let x^2 be the first number & (x+1)^2 the next number \n" ); document.write( "x^2+(x+1)^2=85 \n" ); document.write( "x^2+x^2+2x+1=85 \n" ); document.write( "2x^2+2x+1-85 \n" ); document.write( "2x^2+2x-84=0 \n" ); document.write( "x^2+x^2-42=0 \n" ); document.write( "(x+7)(x-6)=0 \n" ); document.write( "x-6=0 \n" ); document.write( "x=6 answer for the first number \n" ); document.write( "6+1=7 for the next number. \n" ); document.write( "proof \n" ); document.write( "6^2+7^2=84 \n" ); document.write( "36+49=84 \n" ); document.write( "84=84\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |