Vertex, Roots, and Symmetry in Parabolas

Front

What is another word for zeros?

Back

roots

Front

Factor: 8x² + 7x - 4

Back

(2x - 3)(2x - 5)

Front

Determine the vertex of the quadratic function: y= -x² - 8x - 9

Back

(-4, 7)

Front

Expand: (2x - 1)(x + 2)

Back

2x² + 3x - 2

Front

Expand: (4x + 1)(5x - 2)

Back

20x² - 3x - 2

Front

What is the axis of symmetry in a parabola?

Back

A vertical line that divides the parabola into two mirror-image halves.

Front

What is the vertex of a parabola?

Back

The highest or lowest point on the graph of a quadratic function.

Front

How do you find the roots of a quadratic equation?

Back

By factoring, using the quadratic formula, or completing the square.

Front

What is the standard form of a quadratic function?

Back

y = ax² + bx + c

Front

What does the 'a' value in a quadratic function indicate?

Back

The direction of the parabola (upward if a > 0, downward if a < 0).