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Q: Is y equals 3x squared plus 2x -3 a function?

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Yes it is. The thing that makes it a quadratic equation is that "x squared" in there.

y=x2+2x+1 -b -2 2a= 2= -1 = axis of symmetry is negative one.

(2x + 1)(2x + 1) or (2x + 1)2 so x = -0.5

(-3, -5)

Y = 2X + 8 is a linear function of the form, Y = mX + c. A line.

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63828

Yes it is. The thing that makes it a quadratic equation is that "x squared" in there.

It is a quadratic equation.

y=x2+2x+1 -b -2 2a= 2= -1 = axis of symmetry is negative one.

It equals 53X- a number is squared when it is multiplied by itself, so 7X by 7X = 49X. 2X by 2X =4X, so 49X + 4X is 53X.

(2x-4)(x-1) = 0

Yes.

3x(2x + 1)

x = the square root of -2

The [ 2x + 1 ] represents a function of 'y' .

(2x + 1)(2x + 1) or (2x + 1)2 so x = -0.5

3x2 + 2x - 8 = 0 is a quadratic equation.

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