I need help solving these problems for algebra 2

Algebra
Tutor: None Selected Time limit: 1 Day

Jan 9th, 2015

24.

y =x2+8x+20

y-20+16 = x2+2*x*4+42

y-4 = (x+4)2

Vertex is (-4,4)

26.

y =x2-6x+33

y -33+9 = x2-2*x*3+32

y-24 = (x-3)2

vertex is (3,24)

27.

y =1/2(x2-6x+19)

y-19/2+9/2 =1/ 2 (x2-2*x*3+32)

y-5=1/ 2 (x-3)2

vertex is (3,5)

29.

x =1/4y2-1/2y-3

x+3 +1/4= 1/ 4 (y2-2y+1)

x+13/4 = 1/ 4(y+1)2

Vertex is (-13/4, -1)


Jan 9th, 2015

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