Question

### Gauthmathier5989

Grade 12 · 2020-11-04

In the parabola below, the coordinates (a, b) are: （ ）

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Answer

4.9(989) votes

### Gauthmathier5413

Grade 12 · 2020-11-04

Answer

C

Explanation

This problem uses symmetry. The axis of symmetry is x=-2. If the point (5, 10) is 7 units from the axis of symmetry then the point (a, 10) must also be 7 units from the axis of symmetry, or (-9, 10).

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