(Unit 3) Quadratic Functions

Front

A letter that represents a number is called a _____

Back

variable

Front

Identify a constant in the expression 3x + 2y + 7

Back

7

Front

What is the vertex of the quadratic function y = 2(x - 1)² - 16?

Back

(1, -16)

Front

What is the graph of a quadratic function called?

Back

A parabola

Front

A number with no variable attached is called a _____

Back

constant

Front

What is the standard form of a quadratic function?

Back

y = ax² + bx + c

Front

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

Back

The direction and width of the parabola.

Front

What is the axis of symmetry in a quadratic function?

Back

x = -b/(2a)

Front

What is the maximum or minimum point of a parabola called?

Back

The vertex.

Front

What is the formula to find the roots of a quadratic equation?

Back

x = (-b ± √(b² - 4ac)) / (2a)