A2 Exam review ch 1-3 24/25

Front

Back

The vertex is (-1, -5).

Front

What is the cost for a dozen pounds if the rate of change is $2 per pound?

Back

The cost for a dozen pounds is $24.

Front

Back

The x-coordinate of the vertex is x = -2.

Front

If a is negative, then the parabola opens which direction?

Back

The parabola opens down.

Front

Which parent function matches the graph of a parabola?

Back

Front

What is the standard form of a quadratic equation?

Back

Front

How do you find the vertex of a parabola in standard form?

Back

Front

What does the 'a' value in a quadratic equation determine?

Back

The 'a' value determines the direction of the parabola (upward if positive, downward if negative).

Front

Back

Front

What is the significance of the vertex in a parabola?

Back

The vertex is the highest or lowest point of the parabola, depending on its orientation.