Turito Academy

Test Prep

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Given Parabola : <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADcAAAATCAYAAAA05pVmAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAQ3ZOC+gAAAWNJREFUeNpjYCAd/IfiX0B8FIhVGIYhYALiLCA+xzCMwY/h6jF7ID44HD0mCc1zSnSwyweaz+kC1IB4C9SDtAY8QHyNXp4DeWgbEPPRKSBnAnEypZ4DGdCBRbwZKgcDII9p0Mlj1kC8F6kKQgdzgTgci3gBELeiC4KKdXEkfiIQT8FRzyFjQnUiPowLsAHxJSCWx+O5eCDuQhPjAuJbQCyMrtgDiPugbBekUBsIAEpFOWgBhQ68gHgVmlg9ENfiMnQ3tIi/gM33dAJ60JKYgYDnQO67gsQXBeK7QMyBy+ACaNNKjwqOJDdZnsTSrMOl9hsSuw/qfpwZeA1UUeQAJklSAuQwtK5VgsYaEzYDQZKboBkSVLecGcBkicvD2MBCIPYD4qVAHItNgSi0iBdGaxUsHgKeK4BWCZdwFbnrgFgai9xyaAk6mD0XAJXzG45tXJCnjg/XngkoO1kOR4/pQBvwWAEANe9fY3AUaNMAAAB+dEVYdE1hdGhNTAA8bWF0aCB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMTk5OC9NYXRoL01hdGhNTCI+PG1zdXA+PG1pPng8L21pPjxtbj4yPC9tbj48L21zdXA+PG1vPj08L21vPjxtbj40PC9tbj48bWk+eTwvbWk+PC9tYXRoPhMAaUEAAAAASUVORK5CYII=" class="Wirisformula" alt="x to the power of 2 end exponent equals 4 y" width="55" height="19" style="vertical-align:-3px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨ »«msup»«mrow»«mi»x«/mi»«/mrow»«mrow»«mn»2«/mn»«/mrow»«/msup»«mo»=«/mo»«mn»4«/mn»«mi»y«/mi»«/math»'/> Comparing with standard equation of parabola <img src="data:image/png;base64,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" class="Wirisformula" alt="x squared space equals space 4 a y" width="72" height="19" style="vertical-align:-3px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«msup»«mi»x«/mi»«mn»2«/mn»«/msup»«mo»§#160;«/mo»«mo»=«/mo»«mo»§#160;«/mo»«mn»4«/mn»«mi»a«/mi»«mi»y«/mi»«/math»'/> 4ay = 4y a = 1 Given line : <img src="data:image/png;base64,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" class="Wirisformula" alt="x plus y plus k equals 0" width="91" height="15" style="vertical-align:-3px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»+«/mo»«mi»k«/mi»«mo»=«/mo»«mn»0«/mn»«/math»'/> Comparing with standard equation of line <img src="data:image/png;base64,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" class="Wirisformula" alt="y space equals space m x space plus space c" width="94" height="13" style="vertical-align:-3px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»y«/mi»«mo»§#160;«/mo»«mo»=«/mo»«mo»§#160;«/mo»«mi»m«/mi»«mi»x«/mi»«mo»§#160;«/mo»«mo»+«/mo»«mo»§#160;«/mo»«mi»c«/mi»«/math»'/> m = 1 and c = k In parabola a line to be a tangent to parabola, condition is <img src="data:image/png;base64,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" class="Wirisformula" alt="c space equals space a over m" width="58" height="32" style="vertical-align:-12px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»c«/mi»«mo»§#160;«/mo»«mo»=«/mo»«mo»§#160;«/mo»«mfrac»«mi»a«/mi»«mi»m«/mi»«/mfrac»«/math»'/> Substituting these values <img src="data:image/png;base64,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" class="Wirisformula" alt="k space equals space 1 over 1" width="53" height="35" style="vertical-align:-12px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»k«/mi»«mo»§#160;«/mo»«mo»=«/mo»«mo»§#160;«/mo»«mfrac»«mn»1«/mn»«mn»1«/mn»«/mfrac»«/math»'/> Thus, If the line <img src="data:image/png;base64,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" class="Wirisformula" alt="x plus y plus k equals 0" width="91" height="15" style="vertical-align:-3px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»+«/mo»«mi»k«/mi»«mo»=«/mo»«mn»0«/mn»«/math»'/> is a tangent to the parabola <img src="data:image/png;base64,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" class="Wirisformula" alt="x to the power of 2 end exponent equals 4 y" width="55" height="19" style="vertical-align:-3px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨ »«msup»«mrow»«mi»x«/mi»«/mrow»«mrow»«mn»2«/mn»«/mrow»«/msup»«mo»=«/mo»«mn»4«/mn»«mi»y«/mi»«/math»'/> then k= 1

If the line <img src="data:image/png;base64,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" class="Wirisformula" alt="x plus y plus k equals 0" width="91" height="15" style="vertical-align:-3px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»+«/mo»«mi»k«/mi»«mo»=«/mo»«mn»0«/mn»«/math»'/> is a tangent to the parabola <img src="data:image/png;base64,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" class="Wirisformula" alt="x to the power of 2 end exponent equals 4 y" width="55" height="19" style="vertical-align:-3px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨ »«msup»«mrow»«mi»x«/mi»«/mrow»«mrow»«mn»2«/mn»«/mrow»«/msup»«mo»=«/mo»«mn»4«/mn»«mi»y«/mi»«/math»'/> then k=

Solution for the question - if the line x+y+k=0 is a tangent to the parabola x^(2)=4y then k= 432