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Methods2023 Exam 2 Section A · Q2CAS active1 mark

Axis of symmetry of a parabola

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For the parabola with equation $y = ax^2 + 2bx + c$ , where $a, b, c \in R$ , the equation of the axis of symmetry is

1 mark

A

x = -\frac{b}{a}

B

x = -\frac{b}{2a}

C

y = c

D

x = \frac{b}{a}

E

x = \frac{b}{2a}

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