document.write( "Question 629298: Find the quadratic polynomial whose graph goes through the points (−1,5), (0,5), and (2,29). \r
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\n" ); document.write( "\n" ); document.write( "I got to the step 4a+2b+0=29\r
\n" ); document.write( "\n" ); document.write( "that was like my 6/7th step. I am getting stuck from there. Can i get any help please?
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Algebra.Com's Answer #396161 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
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document.write( "Hi
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document.write( "quadratic polynomial whose graph goes through the points (-1,5), (0,5), and (2,29). 
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document.write( "f(x) = ax^2 + bx + c
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document.write( "f(0) = 5 = c
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document.write( "f(x) = ax^2 + bx + 5   ****
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document.write( "a(-1)^2 + b(-1) + 5 = 5   ||  using (-1,5)
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document.write( "a*2^2  + 2b + 5 = 29      ||  using (2,29)
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document.write( " a - b = 0
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document.write( "4a +2b = 24    ||multiplying 1st EQ thru by 2 and adding it to the second
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document.write( "  6a = 24
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document.write( "   a = 4  and b = 4   \"a-b+=+0\"
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document.write( " f(x) = 4x^2 + 4x + 5
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