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Mathematics, 19.07.2019 18:00 hahHcjckk

The line of symmetry of the parabola whose equation is y = ax2 - 4x + 3 is x = -2. what is the value of "a"?

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The line of symmetry of the parabola whose equation is y = ax2 - 4x + 3 is x = -2. what is the value...

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