Finding Zeros of Quadratics

Front

Factor x² + x - 2

Back

(x - 1)(x + 2)

Front

The x-intercepts of a quadratic equation are known as the _____

Back

zeros

Front

Factor x² - 25

Back

(x - 5)(x + 5)

Front

Factor x² - 3x - 10

Back

(x + 2)(x - 5)

Front

Factor x² - 9

Back

(x + 3)(x - 3)

Front

What is the standard form of a quadratic equation?

Back

y = ax² + bx + c, where a ≠ 0.

Front

What does the 'a' in the quadratic equation represent?

Back

The coefficient that determines the direction and width of the parabola.

Front

What is the vertex of a parabola?

Back

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

Front

How do you find the zeros of a quadratic equation?

Back

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

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a) for the equation ax² + bx + c = 0.