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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 of "a"?

-2
-1/2
-1
4 years ago

Answers

R_scott
for the axis of symmetry ... x = -b / 2a

-2 = - -4 / 2a ... -4 a = 4
4 years ago

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