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  1. Home
  2. 12th grade
  3. Algebra II
  4. Exercise : Convert equations of parabolas from general to vertex form

Convert equations of parabolas from general to vertex form Algebra II

Convert the following equations of parabolas into their vertex form.

y=2x^2-8x+12

y=2\left(x^2-4x\right)+12

y=2\left(x^2-4x+4-4\right)+12

y=2\left(x^2-4x+4\right)-8+12

y=2\left(x-2\right)^2+4

The equation is:

y=2\left(x-2\right)^2+4

y=-3x^2+12x-10

y=-3\left(x^2-4x\right)-10

y=-3\left(x^2-4x+4-4\right)-10

y=-3\left(x^2-4x+4\right)+12-10

y=-3\left(x-2\right)^2+2

The equation is:

y=-3\left(x-2\right)^2+2

y=5x^2+10x+1

y=5\left(x^2+2x\right)+1

y=5\left(x^2+2x+1-1\right)+1

y=5\left(x^2+2x+1\right)-5+1

y=5\left(x+1\right)^2-4

The equation is:

y=5\left(x+1\right)^2-4

y=-4x^2+8x-1

y=-4\left(x^2-2x\right)-1

y=-4\left(x^2-2x+1-1\right)-1

y=-4\left(x^2-2x+1\right)+4-1

y=-4\left(x-1\right)^2+3

The equation is:

y=-4\left(x-1\right)^2+3

x=-2y^2+12y-15

x=-2\left(y^2+6y\right)-15

x=-2\left(y^2-6y+9-9\right)-15

x=-2\left(y^2-6y+9\right)+18-15

x=-2\left(y-3\right)^2+3

The equation is:

x=-2\left(y-3\right)^2+3

x=5y^2-20y-19

x=5\left(y^2-4y\right)-19

x=5\left(y^2-4y+4-4\right)-19

x=5\left(y^2-4y+4\right)+20-19

x=5\left(y-2\right)^2+1

The equation is:

x=5\left(y-2\right)^2+1

x=-3y^2-24y-45

x=-3\left(y^2+8y\right)-45

x=-3\left(y^2+8y+16-16\right)-45

x=-3\left(y^2+8y+16\right)+48-45

x=-3\left(y+4\right)^2+3

The equation is:

x=-3\left(y+4\right)^2+3

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See also
  • Course : Parabolas
  • Exercise : Write equations of parabolas from properties
  • Exercise : Write equations of parabolas from graphs
  • Exercise : Find properties of a parabola from equations
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