Question

Find the equation of the axis of symmetry of the following parabola using graphing technology.
y, equals, minus, 5, x, squared, plus, 10
y=−5x
2
+10
Answer
Attempt 1 out of 2

Answer 1

The parabola is y = -5x^2 + 10, which has b = 0 so the axis is x = -b/(2a) = 0.
Thus the axis of symmetry is x = 0 (the y‑axis).