![]() A point \(1\) units to the left of the axis of symmetry has \(x=-2\). The \(y\)-intercept is \(1\) units right of the axis of symmetry, \(x=-1\). Find the point symmetric to the \(y\)-intercept across the axis of symmetry.įind the \(y\)-intercept by finding \(f(0)\). The axis of symmetry is the line \(x=-1\). Since \(a=2\), the parabola opens upward. Step 1: Determine whether the parabola opens upward or downward.
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