document.write( "Question 1098342: Write the equation of the parabola in both vertex and standard form whose vertex is (-1,-4) and passes through (0,-5).\r
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\n" ); document.write( "\n" ); document.write( "My work was:
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\n" ); document.write( "\"+y=a%28x-h%29%5E2%2Bk+\" Vertex Form
\n" ); document.write( "\"+y=a%28x-%28-1%29%29%5E2%2B%28-4%29+\" Substituted (-1,-4) into (h,k) values
\n" ); document.write( "\"+-5=a%280%2B1%29%5E2-4+\" Substituted (0,-5) into (x,y) values
\n" ); document.write( "\"+-5=a%281%29-4+\" Solve for a
\n" ); document.write( "\"+a=-1+\"\r
\n" ); document.write( "\n" ); document.write( "Giving a vertex form of = \"+y=-%28x%2B1%29%5E2-4+\"\r
\n" ); document.write( "\n" ); document.write( "Finding standard form using \"+y=-%28x%2B1%29%5E2-4+\"
\n" ); document.write( "\"+y=-%28x%5E2%2B2x%2B1%29-4+\" wasn't sure if I was supposed to distribute the negative here, I didn't
\n" ); document.write( "\"+y=-x%5E2%2B2x%2B1-4+\"
\n" ); document.write( "and I got standard form of = \"+y=-x%5E2%2B2x-3+\"
\n" ); document.write( "I'm unsure about the procedure, especially with the negative for standard form, but I might be overthinking it, any advice would be appreciated!
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Algebra.Com's Answer #712707 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
\"y=a%28x-h%29%5E2%2Bk\"
\n" ); document.write( "\"-5=a%280-%28-1%29%29%5E2-4\"
\n" ); document.write( "\"-5=a-4\"
\n" ); document.write( "\"-5%2B4=a\"
\n" ); document.write( "\"a=-1\"
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\n" ); document.write( "\"highlight_green%28y=-%28x%2B1%29%5E2-4%29\"
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\n" ); document.write( "\n" ); document.write( "\"y=-%28x%5E2%2B2x%2B1%29-4\"
\n" ); document.write( "\"y=-x%5E2-2x-1-4\"
\n" ); document.write( "\"highlight_green%28y=-x%5E2-2x-5%29\"
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