document.write( "Question 1068458: Suppose f(x) is a linear function such that f(-1/2) = -7 and f(1) = -3. What is f(-3)? Thank you!
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Algebra.Com's Answer #683667 by Edwin McCravy(20060) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "That's just a fancy way of asking this question:\r\n" );
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document.write( "What is the equation of the line that passes through the two points \r\n" );
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document.write( "then what is y when x = -3?\r\n" );
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document.write( "First use the slope formula:\r\n" );
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document.write( "Then substitute in the point-slope formula:\r\n" );
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document.write( "Multiply both sides through by 3\r\n" );
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document.write( "Solve for y\r\n" );
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document.write( "Finally substitute f(x) for y:\r\n" );
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document.write( "Then substitute -3 for x:\r\n" );
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document.write( "Edwin

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