Quadratic Functions Flashcard

Front

Which letter determines if a parabola opens up or down?

Back

a

Front

If the graph of y = ax² + bx + c opens up, which of the following must be true? Options: a < 0, a > 0, c < 0, c > 0

Back

a > 0

Front

Describe y = -3x² +7x - 2.

Back

Opens down with a maximum.

Front

Which equation best represents the graph? Options: y = 2(x - 4)² + 5, y = 2(x + 4)² + 5, y = -2(x - 4)² + 5, y = -2(x + 4)² + 5

Back

y = -2(x + 4)² + 5

Front

Back

Front

Back

Front

What is a parabola?

Back

The U-shaped graph of a quadratic function

Front

Identify the vertex and whether the graph opens up or down. Options: (-1, 4); opens up, (-1, 4); opens down, (1, 4); opens up, (1, 4); opens down

Back

(1, 4); opens down

Front

Back

(3, 4)

Front

Back