{
"query": {
"display": "$$\\frac{\\left(y+1\\right)^{2}}{4}-\\left(x-5\\right)^{2}=4$$",
"symbolab_question": "CONIC#\\frac{(y+1)^{2}}{4}-(x-5)^{2}=4"
},
"solution": {
"level": "PERFORMED",
"subject": "Geometry",
"topic": "Hyperbola",
"subTopic": "formula",
"default": "(h,k)=(5,-1),a=4,b=2"
},
"steps": {
"type": "interim",
"title": "$$\\frac{\\left(y+1\\right)^{2}}{4}-\\left(x-5\\right)^{2}=4:\\quad$$Up-down Hyperbola with $$\\left(h,\\:k\\right)=\\left(5,\\:-1\\right),\\:a=4,\\:b=2$$",
"input": "\\frac{\\left(y+1\\right)^{2}}{4}-\\left(x-5\\right)^{2}=4",
"steps": [
{
"type": "definition",
"title": "Hyperbola standard equation",
"text": "$$\\frac{\\left(y-k\\right)^{2}}{a^2}-\\frac{\\left(x-h\\right)^{2}}{b^2}=1\\:$$ is the standard equation for an up-down facing hyperbola<br/>with center $$\\bold{\\left(h,\\:k\\right)},\\:$$ semi-axis $$\\bold{a}$$ and semi-conjugate-axis $$\\bold{b}$$."
},
{
"type": "interim",
"title": "Rewrite $$\\frac{\\left(y+1\\right)^{2}}{4}-\\left(x-5\\right)^{2}=4\\:$$in the form of a standard hyperbola equation",
"input": "\\frac{\\left(y+1\\right)^{2}}{4}-\\left(x-5\\right)^{2}=4",
"steps": [
{
"type": "step",
"primary": "Rewrite as",
"result": "\\frac{\\left(y+1\\right)^{2}}{4}-\\left(x-5\\right)^{2}-4=0"
},
{
"type": "interim",
"title": "Simplify $$\\frac{\\left(y+1\\right)^{2}}{4}-\\left(x-5\\right)^{2}-4:{\\quad}\\frac{-4x^{2}+40x+y^{2}+2y-115}{4}$$",
"input": "\\frac{\\left(y+1\\right)^{2}}{4}-\\left(x-5\\right)^{2}-4",
"result": "\\frac{-4x^{2}+40x+y^{2}+2y-115}{4}=0",
"steps": [
{
"type": "step",
"primary": "Convert element to fraction: $$\\left(x-5\\right)^{2}=\\frac{\\left(x-5\\right)^{2}4}{4},\\:4=\\frac{4\\cdot\\:4}{4}$$",
"result": "=\\frac{\\left(y+1\\right)^{2}}{4}-\\frac{\\left(x-5\\right)^{2}\\cdot\\:4}{4}-\\frac{4\\cdot\\:4}{4}"
},
{
"type": "step",
"primary": "Since the denominators are equal, combine the fractions: $$\\frac{a}{c}\\pm\\frac{b}{c}=\\frac{a\\pm\\:b}{c}$$",
"result": "=\\frac{\\left(y+1\\right)^{2}-\\left(x-5\\right)^{2}\\cdot\\:4-4\\cdot\\:4}{4}"
},
{
"type": "step",
"primary": "Multiply the numbers: $$4\\cdot\\:4=16$$",
"result": "=\\frac{\\left(y+1\\right)^{2}-4\\left(x-5\\right)^{2}-16}{4}"
},
{
"type": "interim",
"title": "Expand $$\\left(y+1\\right)^{2}-\\left(x-5\\right)^{2}\\cdot\\:4-16:{\\quad}-4x^{2}+40x+y^{2}+2y-115$$",
"input": "\\left(y+1\\right)^{2}-\\left(x-5\\right)^{2}\\cdot\\:4-16",
"result": "=\\frac{-4x^{2}+40x+y^{2}+2y-115}{4}",
"steps": [
{
"type": "step",
"result": "=\\left(y+1\\right)^{2}-4\\left(x-5\\right)^{2}-16"
},
{
"type": "interim",
"title": "$$\\left(y+1\\right)^{2}:{\\quad}y^{2}+2y+1$$",
"result": "=y^{2}+2y+1-\\left(x-5\\right)^{2}\\cdot\\:4-16",
"steps": [
{
"type": "step",
"primary": "Apply Perfect Square Formula: $$\\left(a+b\\right)^{2}=a^{2}+2ab+b^{2}$$",
"secondary": [
"$$a=y,\\:\\:b=1$$"
],
"meta": {
"practiceLink": "/practice/expansion-practice#area=main&subtopic=Perfect%20Square",
"practiceTopic": "Expand Perfect Square"
}
},
{
"type": "step",
"result": "=y^{2}+2y\\cdot\\:1+1^{2}"
},
{
"type": "interim",
"title": "Simplify $$y^{2}+2y\\cdot\\:1+1^{2}:{\\quad}y^{2}+2y+1$$",
"input": "y^{2}+2y\\cdot\\:1+1^{2}",
"result": "=y^{2}+2y+1",
"steps": [
{
"type": "step",
"primary": "Apply rule $$1^{a}=1$$",
"secondary": [
"$$1^{2}=1$$"
],
"result": "=y^{2}+2\\cdot\\:1\\cdot\\:y+1"
},
{
"type": "step",
"primary": "Multiply the numbers: $$2\\cdot\\:1=2$$",
"result": "=y^{2}+2y+1"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Algebraic Manipulation Simplify Title 1Eq"
}
}
],
"meta": {
"interimType": "N/A"
}
},
{
"type": "interim",
"title": "$$\\left(x-5\\right)^{2}:{\\quad}x^{2}-10x+25$$",
"result": "=y^{2}+2y+1-\\left(x^{2}-10x+25\\right)\\cdot\\:4-16",
"steps": [
{
"type": "step",
"primary": "Apply Perfect Square Formula: $$\\left(a-b\\right)^{2}=a^{2}-2ab+b^{2}$$",
"secondary": [
"$$a=x,\\:\\:b=5$$"
],
"meta": {
"practiceLink": "/practice/expansion-practice#area=main&subtopic=Perfect%20Square",
"practiceTopic": "Expand Perfect Square"
}
},
{
"type": "step",
"result": "=x^{2}-2x\\cdot\\:5+5^{2}"
},
{
"type": "interim",
"title": "Simplify $$x^{2}-2x\\cdot\\:5+5^{2}:{\\quad}x^{2}-10x+25$$",
"input": "x^{2}-2x\\cdot\\:5+5^{2}",
"result": "=x^{2}-10x+25",
"steps": [
{
"type": "step",
"primary": "Multiply the numbers: $$2\\cdot\\:5=10$$",
"result": "=x^{2}-10x+5^{2}"
},
{
"type": "step",
"primary": "$$5^{2}=25$$",
"result": "=x^{2}-10x+25"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Algebraic Manipulation Simplify Title 1Eq"
}
}
],
"meta": {
"interimType": "N/A"
}
},
{
"type": "interim",
"title": "Expand $$-4\\left(x^{2}-10x+25\\right):{\\quad}-4x^{2}+40x-100$$",
"input": "-4\\left(x^{2}-10x+25\\right)",
"result": "=y^{2}+2y+1-4x^{2}+40x-100-16",
"steps": [
{
"type": "step",
"primary": "Distribute parentheses",
"result": "=\\left(-4\\right)x^{2}+\\left(-4\\right)\\left(-10x\\right)+\\left(-4\\right)\\cdot\\:25",
"meta": {
"title": {
"extension": "Multiply each of the terms within the parentheses<br/>by the term outside the parenthesis"
}
}
},
{
"type": "step",
"primary": "Apply minus-plus rules",
"secondary": [
"$$+\\left(-a\\right)=-a,\\:\\:\\left(-a\\right)\\left(-b\\right)=ab$$"
],
"result": "=-4x^{2}+4\\cdot\\:10x-4\\cdot\\:25"
},
{
"type": "interim",
"title": "Simplify $$-4x^{2}+4\\cdot\\:10x-4\\cdot\\:25:{\\quad}-4x^{2}+40x-100$$",
"input": "-4x^{2}+4\\cdot\\:10x-4\\cdot\\:25",
"result": "=-4x^{2}+40x-100",
"steps": [
{
"type": "step",
"primary": "Multiply the numbers: $$4\\cdot\\:10=40$$",
"result": "=-4x^{2}+40x-4\\cdot\\:25"
},
{
"type": "step",
"primary": "Multiply the numbers: $$4\\cdot\\:25=100$$",
"result": "=-4x^{2}+40x-100"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Algebraic Manipulation Simplify Title 1Eq"
}
}
],
"meta": {
"interimType": "Algebraic Manipulation Expand Title 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7byxQNagdks54ClvoZX80uqVnANiuhwjse08ef+lqfd15tMpJTBBccUWkSyvMe1SpO0AubU5mrQX7Bj4Dht7P1qN6Hv6MoTMtvtU0IQwXdn/uHDG2fzooZkB281z8T5Y+MlRWjq0tBO56Ut15zElU2r8yD3hLQ33B7/8/LpbPE3o="
}
},
{
"type": "interim",
"title": "Simplify $$y^{2}+2y+1-4x^{2}+40x-100-16:{\\quad}-4x^{2}+40x+y^{2}+2y-115$$",
"input": "y^{2}+2y+1-4x^{2}+40x-100-16",
"result": "=-4x^{2}+40x+y^{2}+2y-115",
"steps": [
{
"type": "step",
"primary": "Group like terms",
"result": "=-4x^{2}+40x+y^{2}+2y+1-100-16"
},
{
"type": "step",
"primary": "Add/Subtract the numbers: $$1-100-16=-115$$",
"result": "=-4x^{2}+40x+y^{2}+2y-115"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Algebraic Manipulation Simplify Title 1Eq"
}
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],
"meta": {
"interimType": "Algebraic Manipulation Expand Title 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7MVPB2n3zvzEq2vcOosJ04PalIHReApgPHLOLUt1mKAwAlilG71elit3w1IBbYN0PPHRxC30xT6jxQFN6m9ssvlMCXjdz0yMVe0anoSid6v0iAvXPV7/u/zRE4gCDqAu3EnJ/zNrC2ARoMQpaswsTNgOH/WDZtu6CtaHAngzXNoX+5sNbtNuvN0ML+EYBv632gFTeWNeBNsXUNio77Ls+nA=="
}
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Algebraic Manipulation Simplify Title 1Eq"
}
},
{
"type": "step",
"primary": "Multiply by $$4$$",
"result": "-4x^{2}+40x+y^{2}+2y-115=0"
},
{
"type": "step",
"primary": "Add $$115$$ to both sides",
"result": "-4x^{2}+40x+y^{2}+2y=115"
},
{
"type": "step",
"primary": "Factor out coefficient of square terms",
"result": "-4\\left(x^{2}-10x\\right)+\\left(y^{2}+2y\\right)=115"
},
{
"type": "step",
"primary": "Divide by coefficient of square terms: $$4$$",
"result": "-\\left(x^{2}-10x\\right)+\\frac{1}{4}\\left(y^{2}+2y\\right)=\\frac{115}{4}"
},
{
"type": "step",
"primary": "Divide by coefficient of square terms: $$1$$",
"result": "-\\frac{1}{1}\\left(x^{2}-10x\\right)+\\frac{1}{4}\\left(y^{2}+2y\\right)=\\frac{115}{4}"
},
{
"type": "step",
"primary": "Convert $$x\\:$$to square form",
"result": "-\\frac{1}{1}\\left(x^{2}-10x+25\\right)+\\frac{1}{4}\\left(y^{2}+2y\\right)=\\frac{115}{4}-\\frac{1}{1}\\left(25\\right)"
},
{
"type": "step",
"primary": "Convert to square form",
"result": "-\\frac{1}{1}\\left(x-5\\right)^{2}+\\frac{1}{4}\\left(y^{2}+2y\\right)=\\frac{115}{4}-\\frac{1}{1}\\left(25\\right)"
},
{
"type": "step",
"primary": "Convert $$y\\:$$to square form",
"result": "-\\frac{1}{1}\\left(x-5\\right)^{2}+\\frac{1}{4}\\left(y^{2}+2y+1\\right)=\\frac{115}{4}-\\frac{1}{1}\\left(25\\right)+\\frac{1}{4}\\left(1\\right)"
},
{
"type": "step",
"primary": "Convert to square form",
"result": "-\\frac{1}{1}\\left(x-5\\right)^{2}+\\frac{1}{4}\\left(y+1\\right)^{2}=\\frac{115}{4}-\\frac{1}{1}\\left(25\\right)+\\frac{1}{4}\\left(1\\right)"
},
{
"type": "step",
"primary": "Refine $$\\frac{115}{4}-\\frac{1}{1}\\left(25\\right)+\\frac{1}{4}\\left(1\\right)$$",
"result": "-\\frac{1}{1}\\left(x-5\\right)^{2}+\\frac{1}{4}\\left(y+1\\right)^{2}=4"
},
{
"type": "step",
"primary": "Divide by $$4$$",
"result": "-\\frac{\\left(x-5\\right)^{2}}{4}+\\frac{\\left(y+1\\right)^{2}}{16}=1"
},
{
"type": "step",
"primary": "Rewrite in standard form",
"result": "\\frac{\\left(y-\\left(-1\\right)\\right)^{2}}{4^{2}}-\\frac{\\left(x-5\\right)^{2}}{2^{2}}=1"
}
],
"meta": {
"interimType": "Hyperbola Canonical Format 1Eq"
}
},
{
"type": "step",
"result": "\\frac{\\left(y-\\left(-1\\right)\\right)^{2}}{4^{2}}-\\frac{\\left(x-5\\right)^{2}}{2^{2}}=1"
},
{
"type": "step",
"primary": "Therefore Hyperbola properties are:",
"result": "\\left(h,\\:k\\right)=\\left(5,\\:-1\\right),\\:a=4,\\:b=2"
}
],
"meta": {
"solvingClass": "Hyperbola"
}
},
"plot_output": {
"meta": {
"plotInfo": {
"variable": "x",
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"evalFormula": "y=2(x-5)-1",
"displayFormula": "y=2(x-5)-1",
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"attributes": {
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"lineType": "DASH",
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},
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"evalFormula": "y=\\sqrt{16(\\frac{(x-5)^{2}}{2^{2}}+1)}-1",
"displayFormula": "\\frac{(y-(-1))^{2}}{4^{2}}-\\frac{(x-5)^{2}}{2^{2}}=1",
"attributes": {
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"displayFormula": "\\frac{(y-(-1))^{2}}{4^{2}}-\\frac{(x-5)^{2}}{2^{2}}=1",
"attributes": {
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"attributes": {
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Solution
Solution
Solution steps
Rewrite in the form of a standard hyperbola equation
Therefore Hyperbola properties are:
Graph
Popular Examples
foci x= 1/8 y^2foci x^2-4y^2-2x+16y=20asymptotes of 9x^2-4y^2-72x=0asymptotes foci y=2x^2foci (x^2)/7+(y^2)/(16)=1
Frequently Asked Questions (FAQ)
What is ((y+1)^2)/4-(x-5)^2=4 ?
The solution to ((y+1)^2)/4-(x-5)^2=4 is Hyperbola with (h,k)=(5,-1),a=4,b=2