Unit 4 Test Review

Front

What is the name given to the dotted line in a parabola?

Back

axis of symmetry

Front

How do we transform the parent function y = x² to y = x² + 2?

Back

vertical shift up 2

Front

What is the name given to the point (1, 0) in a quadratic function?

Back

root

Front

What is the product of (3x + 2)(2x + 4)?

Back

6x² + 16x + 8

Front

What is the domain of the function y = x²?

Back

-∞ < x < ∞

Front

What is the vertex of a parabola in the form y = a(x - h)² + k?

Back

(h, k)

Front

What does the 'a' value in the quadratic function y = ax² + bx + c determine?

Back

The direction and width of the parabola.

Front

What is the formula to find the axis of symmetry for a quadratic function?

Back

x = -b/(2a)

Front

What is the significance of the discriminant in a quadratic equation?

Back

It determines the number and type of roots.

Front

What are the x-intercepts of a quadratic function?

Back

The points where the graph intersects the x-axis.