Quadratics Features

Front

What are the green dots called?

Back

zeros, roots, solutions, or x-intercepts

Front

What is the vertex of the quadratic function?

Back

(0, 18)

Front

Quadratic equations take the shape of a _______ when graphed.

Back

parabola

Front

What is the axis of symmetry for this graph?

Back

x=2

Front

Is this point a max or min?

Back

max

Front

What is the standard form of a quadratic equation?

Back

y = ax^2 + bx + c

Front

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

Back

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

Front

How do you find the x-intercepts of a quadratic function?

Back

Set y = 0 and solve for x.

Front

What is the formula to find the vertex of a quadratic function in standard form?

Back

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

Front

What is the discriminant in a quadratic equation?

Back

The value of b^2 - 4ac, which determines the nature of the roots.