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Question

find the vertex, axis of symmetry,y int and third point

3x^2-12x+10

Can someone give me a youtube link for this
15 years ago

Answers

Anonymous
-15x+12
15 years ago
Reiny
The question probably was

y = 3x^2-12x+10
I will assume you are not taking Calculus, and will do it by completing the square.

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

vertex: (2,-2)
axis of symmetry : x = 2
y-intercept : 10
15 years ago

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