Problem 26 of 34fun-026
In the standard coordinate plane, a parabola has vertex and passes through the point . Which equation describes the parabola?
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Solution walkthrough1:49
- Vertex form is . The vertex is , and sets how steep the parabola is.
- The vertex is , so and : .
- The parabola passes through . Put and in: .
- , so . Add : , so and .
- Traps: misses ; puts the vertex at ; one choice uses as the vertex.