Forms of Quadratics Review

Front

What are the Zeros / x-intercepts of the function f(x)=(x - 3)(x - 4)?

Back

(3, 0) & (4, 0)

Front

What form of a Quadratic is the equation y = 3(x - 6)(x + 3)?

Back

Factored

Front

What are the zeros for the function f(x) = (x + 7)(x + 5)?

Back

(-7, 0) and (-5, 0)

Front

If the quadratic has a positive 'a' coefficient, what direction does the parabola open?

Back

Up

Front

Which is the standard form of a quadratic equation?

Back

y = ax² + bx + c

Front

What is the vertex form of a quadratic equation?

Back

y = a(x - h)² + k

Front

What is the standard form of a quadratic equation?

Back

y = ax² + bx + c

Front

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

Back

Use the formula x = -b/(2a) to find the x-coordinate, then substitute back to find y.

Front

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

Back

The direction and width of the parabola.

Front

What are the characteristics of a parabola that opens downwards?

Back

The 'a' coefficient is negative, and the vertex is the highest point.