{
"query": {
"display": "$$18x^{2}-64x-14y+150=0$$",
"symbolab_question": "CONIC#18x^{2}-64x-14y+150=0"
},
"solution": {
"level": "PERFORMED",
"subject": "Geometry",
"topic": "Parabola",
"subTopic": "formula",
"default": "(h,k)=(\\frac{16}{9},\\frac{419}{63}),p=\\frac{7}{36}"
},
"steps": {
"type": "interim",
"title": "$$18x^{2}-64x-14y+150=0:\\quad$$Parabola with vertex at $$\\left(h,\\:k\\right)=\\left(\\frac{16}{9},\\:\\frac{419}{63}\\right),\\:$$and focal length $$|p|=\\frac{7}{36}$$",
"input": "18x^{2}-64x-14y+150=0",
"steps": [
{
"type": "definition",
"title": "Parabola standard equation",
"text": "$$4p\\left(y-k\\right)=\\left(x-h\\right)^{2}\\:$$ is the standard equation for an up-down facing parabola with vertex at $$\\left(h,\\:k\\right),\\:$$<br/>and a focal length $$|p|$$"
},
{
"type": "interim",
"title": "Rewrite $$18x^{2}-64x-14y+150=0\\:$$in the standard form",
"input": "18x^{2}-64x-14y+150=0",
"steps": [
{
"type": "step",
"primary": "Rewrite as",
"result": "14y=18x^{2}-64x+150"
},
{
"type": "step",
"primary": "Divide by $$14$$",
"result": "y=\\frac{9x^{2}}{7}-\\frac{32x}{7}+\\frac{75}{7}"
},
{
"type": "interim",
"title": "Complete the square $$\\frac{9x^{2}}{7}-\\frac{32x}{7}+\\frac{75}{7}:{\\quad}\\frac{9}{7}\\left(x-\\frac{16}{9}\\right)^{2}+\\frac{419}{63}$$",
"input": "\\frac{9x^{2}}{7}-\\frac{32x}{7}+\\frac{75}{7}",
"steps": [
{
"type": "step",
"primary": "Write $$\\frac{9x^{2}}{7}-\\frac{32x}{7}+\\frac{75}{7}\\:$$in the form: $$x^2+2ax+a^2$$",
"secondary": [
"Factor out $$\\frac{9}{7}$$"
],
"result": "\\frac{9}{7}\\left(x^{2}-\\frac{32x}{9}+\\frac{25}{3}\\right)"
},
{
"type": "interim",
"title": "$$2a=-\\frac{32}{9}{\\quad:\\quad}a=-\\frac{16}{9}$$",
"input": "2a=-\\frac{32}{9}",
"steps": [
{
"type": "interim",
"title": "Divide both sides by $$2$$",
"input": "2a=-\\frac{32}{9}",
"result": "a=-\\frac{16}{9}",
"steps": [
{
"type": "step",
"primary": "Divide both sides by $$2$$",
"result": "\\frac{2a}{2}=\\frac{-\\frac{32}{9}}{2}"
},
{
"type": "interim",
"title": "Simplify",
"input": "\\frac{2a}{2}=\\frac{-\\frac{32}{9}}{2}",
"result": "a=-\\frac{16}{9}",
"steps": [
{
"type": "interim",
"title": "Simplify $$\\frac{2a}{2}:{\\quad}a$$",
"input": "\\frac{2a}{2}",
"steps": [
{
"type": "step",
"primary": "Divide the numbers: $$\\frac{2}{2}=1$$",
"result": "=a"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Simplify Specific 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7n/9TIosDfOyZXH4usT9jsy061ljBSPJeENOw2efoSWuFFDuzzgIzA1F36c+SAFGgRSpN33oxZMojoqvYhvSJACLkpiVA7S8UT8ieezZKu6pQyGeXuoJHAaVrX92ZjOTT"
}
},
{
"type": "interim",
"title": "Simplify $$\\frac{-\\frac{32}{9}}{2}:{\\quad}-\\frac{16}{9}$$",
"input": "\\frac{-\\frac{32}{9}}{2}",
"steps": [
{
"type": "step",
"primary": "Apply the fraction rule: $$\\frac{-a}{b}=-\\frac{a}{b}$$",
"result": "=-\\frac{\\frac{32}{9}}{2}"
},
{
"type": "step",
"primary": "Apply the fraction rule: $$\\frac{\\frac{b}{c}}{a}=\\frac{b}{c\\:\\cdot\\:a}$$",
"secondary": [
"$$\\frac{\\frac{32}{9}}{2}=\\frac{32}{9\\cdot\\:2}$$"
],
"result": "=-\\frac{32}{9\\cdot\\:2}"
},
{
"type": "step",
"primary": "Multiply the numbers: $$9\\cdot\\:2=18$$",
"result": "=-\\frac{32}{18}"
},
{
"type": "step",
"primary": "Cancel the common factor: $$2$$",
"result": "=-\\frac{16}{9}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Simplify Specific 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s78faTMm53GPovDqGWXYdIVYnkKe8obuq738IrYnsRyrDdd47a0hQ8flDbGsI5To1dsabmmR9ZBQ+yLvQJaWqH0PsrRBCls8pEfZdTWHr3xVseNvb7k0sVmuwf19w9aD9NwFkJl/hQGUOe3kPB8GwiQu2NyC3uZMvKSSsjgNHC4yGPATzsdMJbIBTfKlGugMwN"
}
},
{
"type": "step",
"result": "a=-\\frac{16}{9}"
}
],
"meta": {
"interimType": "Generic Simplify 0Eq"
}
}
],
"meta": {
"interimType": "Divide Both Sides Specific 1Eq",
"gptData": "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"
}
}
],
"meta": {
"solvingClass": "Equations",
"interimType": "Equations"
}
},
{
"type": "step",
"primary": "Add and subtract $$\\left(-\\frac{16}{9}\\right)^{2}\\:$$",
"result": "\\frac{9}{7}\\left(x^{2}-\\frac{32x}{9}+\\frac{25}{3}+\\left(-\\frac{16}{9}\\right)^{2}-\\left(-\\frac{16}{9}\\right)^{2}\\right)"
},
{
"type": "step",
"primary": "$$x^2+2ax+a^2=\\left(x+a\\right)^2$$",
"secondary": [
"$$x^{2}-\\frac{32}{9}x+\\left(-\\frac{16}{9}\\right)^{2}=\\left(x-\\frac{16}{9}\\right)^{2}$$",
"Complete the square"
],
"result": "\\frac{9}{7}\\left(\\left(x-\\frac{16}{9}\\right)^{2}+\\frac{25}{3}-\\left(-\\frac{16}{9}\\right)^{2}\\right)"
},
{
"type": "step",
"primary": "Simplify",
"result": "\\frac{9}{7}\\left(x-\\frac{16}{9}\\right)^{2}+\\frac{419}{63}"
}
],
"meta": {
"solvingClass": "Equations",
"interimType": "Complete Square 1Eq"
}
},
{
"type": "step",
"result": "y=\\frac{9}{7}\\left(x-\\frac{16}{9}\\right)^{2}+\\frac{419}{63}"
},
{
"type": "step",
"primary": "Subtract $$\\frac{419}{63}$$ from both sides",
"result": "y-\\frac{419}{63}=\\frac{9}{7}\\left(x-\\frac{16}{9}\\right)^{2}"
},
{
"type": "step",
"primary": "Divide by coefficient of square terms: $$\\frac{9}{7}$$",
"result": "\\frac{7}{9}\\left(y-\\frac{419}{63}\\right)=\\left(x-\\frac{16}{9}\\right)^{2}"
},
{
"type": "step",
"primary": "Rewrite in standard form",
"result": "4\\cdot\\:\\frac{7}{36}\\left(y-\\frac{419}{63}\\right)=\\left(x-\\frac{16}{9}\\right)^{2}"
}
],
"meta": {
"interimType": "Parabola Canonical Format 1Eq"
}
},
{
"type": "step",
"result": "4\\cdot\\:\\frac{7}{36}\\left(y-\\frac{419}{63}\\right)=\\left(x-\\frac{16}{9}\\right)^{2}"
},
{
"type": "step",
"primary": "Therefore parabola properties are:",
"result": "\\left(h,\\:k\\right)=\\left(\\frac{16}{9},\\:\\frac{419}{63}\\right),\\:p=\\frac{7}{36}"
}
],
"meta": {
"solvingClass": "Parabola"
}
},
"plot_output": {
"meta": {
"plotInfo": {
"variable": "x",
"funcsToDraw": {
"funcs": [
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"evalFormula": "y=\\frac{(x-\\frac{16}{9})^{2}}{4\\frac{7}{36}}+\\frac{419}{63}",
"displayFormula": "4\\frac{7}{36}(y-\\frac{419}{63})=(x-\\frac{16}{9})^{2}",
"attributes": {
"color": "PURPLE",
"lineType": "NORMAL",
"isAsymptote": false
}
},
{
"evalFormula": "y=\\frac{1627}{252}",
"displayFormula": "y=\\frac{1627}{252}",
"attributes": {
"color": "GRAY",
"lineType": "NORMAL",
"labels": [
"\\mathrm{directrix}"
],
"isAsymptote": false
}
}
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},
"pointsToDraw": {
"pointsLatex": [
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"attributes": [
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"labels": [
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"labelTypes": [
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"labelColors": [
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"color": "PURPLE",
"labels": [
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"labelTypes": [
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"labelColors": [
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"functionChanges": [
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Solution
Solution
Solution steps
Rewrite in the standard form
Therefore parabola properties are:
Graph
Popular Examples
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Frequently Asked Questions (FAQ)
What is 18x^2-64x-14y+150=0 ?
The solution to 18x^2-64x-14y+150=0 is Parabola with (h,k)=(16/9 , 419/63),p= 7/36