document.write( "Question 988025: Question Part
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\n" ); document.write( "Use the quadratic formula to find any x-intercepts of the parabola. (If an answer does not exist, enter DNE.)
\n" ); document.write( "y = 2x^2 − 10x + 5 \n" ); document.write( "

Algebra.Com's Answer #608676 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
At the x-intercepts, $\"+y+=+0+\"$ , so
\n" ); document.write( " $\"+2x%5E2+-+10x+%2B+5+=+0+\"$
\n" ); document.write( "Use the quadratic formula
\n" ); document.write( " $\"+x+=+%28+-b+%2B-+sqrt%28+b%5E2+-+4%2Aa%2Ac+%29%29+%2F+%282%2Aa%29+\"$
\n" ); document.write( " $\"+a+=+2+\"$
\n" ); document.write( " $\"+b+=+-10+\"$
\n" ); document.write( " $\"+c+=+5+\"$
\n" ); document.write( " $\"+x+=+%28+-%28-10%29+%2B-+sqrt%28+%28-10%29%5E2+-+4%2A2%2A5+%29%29+%2F+%282%2A2%29+\"$
\n" ); document.write( " $\"+x+=+%28+10+%2B-+sqrt%28+100+-+40+%29%29+%2F+4+\"$
\n" ); document.write( " $\"+x+=+%28+10+%2B-+sqrt%28+60+%29%29+%2F+4+\"$
\n" ); document.write( " $\"+x+=++5%2F2+%2B-+sqrt%2815+%29%2F2+\"$
\n" ); document.write( "----------------------------
\n" ); document.write( "Check answers:
\n" ); document.write( " $\"+x+=+2.5+%2B+3.873%2F2+\"$
\n" ); document.write( " $\"+x+=+2.5+%2B+1.936+\"$
\n" ); document.write( " $\"+x+=+4.436+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+x+=+2.5+-+3.873%2F2+\"$
\n" ); document.write( " $\"+x+=+2.5+-+1.936+\"$
\n" ); document.write( " $\"+x+=+.564+\"$
\n" ); document.write( "------------------------
\n" ); document.write( " $\"+2%2A4.436%5E2+-+10%2A4.436+%2B+5+=+0+\"$
\n" ); document.write( " $\"+2%2A19.678+-+44.36+%2B+5+=+0+\"$
\n" ); document.write( " $\"+39.356+-+44.36+%2B+5+=+o+\"$
\n" ); document.write( " $\"+-5.004+%2B+5+=+0+\"$
\n" ); document.write( "close enough- you can check the other x-intercept
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