document.write( "Question 1147214: Write a linear function f with the values f(2)=4 and f(−7)=9 \n" ); document.write( "

Algebra.Com's Answer #768525 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
You are given the points
\n" ); document.write( "( 2, 4 )
\n" ); document.write( "( -7, 9 )
\n" ); document.write( "Use the general point slope formula
\n" ); document.write( " $\"+%28+y+-+4+%29+%2F+%28+x+-+2+%29+=+%28+9+-+4+%29+%2F+%28+-7+-+2+%29+\"$
\n" ); document.write( " $\"+%28+y+-+4+%29+%2F+%28+x+-+2+%29+=+5+%2F+%28+-9+%29+\"$
\n" ); document.write( " $\"+%28-9%29%2A%28+y+-+4+%29+=+5%2A%28+x+-+2+%29+\"$
\n" ); document.write( " $\"+-9y+%2B+36+=+5x+-+10+\"$
\n" ); document.write( " $\"+-9y+=+5x+-+46+\"$
\n" ); document.write( " $\"+y+=+%28+-5%2F9+%29%2Ax+%2B+46%2F9+\"$
\n" ); document.write( "---------------------------------
\n" ); document.write( "check answer:
\n" ); document.write( "( 2,4 )
\n" ); document.write( " $\"+4+=+%28+-5%2F9+%29%2A2+%2B+46%2F9+\"$
\n" ); document.write( " $\"+4+=+-10%2F9+%2B+46%2F9+\"$
\n" ); document.write( " $\"+4+=+36%2F9+\"$
\n" ); document.write( " $\"+4+=+4+\"$
\n" ); document.write( "OK
\n" ); document.write( "and
\n" ); document.write( "( -7, 9 )
\n" ); document.write( " $\"+9+=+%28-5%2F9%29%2A%28-7%29+%2B+46%2F9+\"$
\n" ); document.write( " $\"+9+=+35%2F9+%2B+46%2F9+\"$
\n" ); document.write( " $\"+9+=+81%2F9+\"$
\n" ); document.write( " $\"+9+=+9+\"$
\n" ); document.write( "OK
\n" ); document.write( "Get a 2nd opinion if needed \n" ); document.write( "

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