{
"query": {
"display": "vertices $$3x^{2}+8y=0$$",
"symbolab_question": "CONIC#vertices 3x^{2}+8y=0"
},
"solution": {
"level": "PERFORMED",
"subject": "Geometry",
"topic": "Parabola",
"subTopic": "vertices",
"default": "\\mathrm{Maximum}\\:(0,0)",
"meta": {
"showVerify": true
}
},
"methods": [
{
"method": "Find vertex using polynomial form",
"query": {
"display": "vertex quadratic $$3x^{2}+8y=0$$",
"symbolab_question": "vertexquadratic 3x^{2}+8y=0"
}
},
{
"method": "Find vertex using parabola form",
"query": {
"display": "vertex parabola $$3x^{2}+8y=0$$",
"symbolab_question": "vertexparabola 3x^{2}+8y=0"
}
},
{
"method": "Find vertex using vertex form",
"query": {
"display": "vertex form $$3x^{2}+8y=0$$",
"symbolab_question": "vertexform 3x^{2}+8y=0"
}
},
{
"method": "Find vertex using averaging the zeros",
"query": {
"display": "vertex zeros $$3x^{2}+8y=0$$",
"symbolab_question": "vertexzeros 3x^{2}+8y=0"
}
}
],
"steps": {
"type": "interim",
"title": "Parabola vertex given $$3x^{2}+8y=0:{\\quad}$$Maximum $$\\left(0,\\:0\\right)$$",
"input": "3x^{2}+8y=0",
"steps": [
{
"type": "definition",
"title": "Parabola equation in polynomial form",
"text": "The vertex of an up-down facing parabola of the form $$y=ax^2+bx+c\\:$$is $$x_{v}=-\\frac{b}{2a}$$"
},
{
"type": "interim",
"title": "Rewrite $$3x^{2}+8y=0\\:$$in the form $$y=ax^{2}+bx+c$$",
"input": "3x^{2}+8y=0",
"result": "y=-\\frac{3x^{2}}{8}",
"steps": [
{
"type": "interim",
"title": "Isolate $$y\\:$$for $$3x^{2}+8y=0$$",
"input": "3x^{2}+8y=0",
"result": "y=-\\frac{3x^{2}}{8}",
"steps": [
{
"type": "interim",
"title": "Move $$3x^{2}\\:$$to the right side",
"input": "3x^{2}+8y=0",
"result": "8y=-3x^{2}",
"steps": [
{
"type": "step",
"primary": "Subtract $$3x^{2}$$ from both sides",
"result": "3x^{2}+8y-3x^{2}=0-3x^{2}"
},
{
"type": "step",
"primary": "Simplify",
"result": "8y=-3x^{2}"
}
],
"meta": {
"interimType": "Move to the Right Title 1Eq",
"gptData": "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"
}
},
{
"type": "interim",
"title": "Divide both sides by $$8$$",
"input": "8y=-3x^{2}",
"result": "y=-\\frac{3x^{2}}{8}",
"steps": [
{
"type": "step",
"primary": "Divide both sides by $$8$$",
"result": "\\frac{8y}{8}=\\frac{-3x^{2}}{8}"
},
{
"type": "step",
"primary": "Simplify",
"result": "y=-\\frac{3x^{2}}{8}"
}
],
"meta": {
"interimType": "Divide Both Sides Specific 1Eq",
"gptData": "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"
}
}
],
"meta": {
"solvingClass": "Equations",
"interimType": "Generic Isolate Title 2Eq"
}
}
],
"meta": {
"interimType": "Rewrite In Form 2Eq"
}
},
{
"type": "step",
"primary": "The parabola parameters are:",
"result": "a=-\\frac{3}{8},\\:b=0,\\:c=0"
},
{
"type": "step",
"primary": "$$x_{v}=-\\frac{b}{2a}$$",
"result": "x_{v}=-\\frac{0}{2\\left(-\\frac{3}{8}\\right)}"
},
{
"type": "step",
"primary": "Simplify",
"result": "x_{v}=0"
},
{
"type": "interim",
"title": "Plug in $$x_{v}=0\\:$$to find the $$y_{v}\\:$$value",
"input": "y_{v}=-\\frac{3\\cdot\\:0^{2}}{8}",
"result": "y_{v}=0",
"steps": [
{
"type": "step",
"primary": "Simplify",
"result": "y_{v}=0"
}
],
"meta": {
"interimType": "Plug In Value 2Eq"
}
},
{
"type": "step",
"primary": "Therefore the parabola vertex is",
"result": "\\left(0,\\:0\\right)"
},
{
"type": "step",
"primary": "If $$a<0,\\:$$then the vertex is a maximum value<br/>If $$a>0,\\:$$then the vertex is a minimum value<br/>$$a=-\\frac{3}{8}$$",
"result": "\\mathrm{Maximum}\\:\\left(0,\\:0\\right)"
}
],
"meta": {
"solvingClass": "Parabola"
}
},
"plot_output": {
"meta": {
"plotInfo": {
"variable": "x",
"funcsToDraw": {
"funcs": [
{
"evalFormula": "y=\\frac{x^{2}}{4(-\\frac{2}{3})}+0",
"displayFormula": "4(-\\frac{2}{3})y=x^{2}",
"attributes": {
"color": "PURPLE",
"lineType": "NORMAL",
"isAsymptote": false
}
},
{
"evalFormula": "y=\\frac{2}{3}",
"displayFormula": "y=\\frac{2}{3}",
"attributes": {
"color": "GRAY",
"lineType": "NORMAL",
"labels": [
"\\mathrm{directrix}"
],
"isAsymptote": false
}
}
]
},
"pointsToDraw": {
"pointsLatex": [
"(0,0)",
"(0,-\\frac{2}{3})"
],
"pointsDecimal": [
{
"fst": 0,
"snd": 0
},
{
"fst": 0,
"snd": -0.6666666666666666
}
],
"attributes": [
{
"color": "PURPLE",
"labels": [
"\\mathrm{vertex}"
],
"labelTypes": [
"DEFAULT"
],
"labelColors": [
"PURPLE"
]
},
{
"color": "PURPLE",
"labels": [
"\\mathrm{focus}"
],
"labelTypes": [
"DEFAULT"
],
"labelColors": [
"PURPLE"
]
}
]
},
"functionChanges": [
{
"origFormulaLatex": [],
"finalFormulaLatex": [],
"plotTitle": "4(-\\frac{2}{3})(y)=x^{2}",
"paramsLatex": [],
"paramsReplacementsLatex": []
}
],
"localBoundingBox": {
"xMin": -7.5,
"xMax": 7.5,
"yMin": -7.5,
"yMax": 7.5
}
},
"showViewLarger": true
}
},
"meta": {
"showVerify": true
}
}
Solution
vertices
Solution
Solution steps
Rewrite in the form
The parabola parameters are:
Simplify
Plug in to find the value
Therefore the parabola vertex is
If then the vertex is a maximum value
If then the vertex is a minimum value
Graph
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Frequently Asked Questions (FAQ)
What is the vertices 3x^2+8y=0 ?
The vertices 3x^2+8y=0 is Maximum (0,0)