3 years ago

-4x^2-12x+1 find the standard form

1 answer:

34kurt3 years ago

3 0

I'd stay this expression is already in standard form, although you could rewrite it as -(-4x^2-12x+1).

You could rewrite -4x^2-12x+1 by completing the square:

-4(x^2 + 3x ) +1 becomes

-4(x^2 + 3x + [3/2]^2 ) - [3/2]^2 + 1, or

-4(x + 3/2)^2 + 1 - 9/4, or

-4(x+3)^2 -5/4 (final form) The graph would be that of a parabola with vertex at (-3, -5/4). This parabola would open down and would be vertically stretched by a factor of 4.

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 option 1

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3 years ago

Read 2 more answers

K(t) = 13t – 2 k(3) =

Maru [420]

Since t=3

What do have to do is just set it for 3.

13(3) -2

k(3) = 37

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