Algebra 2 Module 3 Vocabulary

Front

A formula for the roots of a quadratic equation.

Back

Quadratic Formula: x = (-b ± √(b² - 4ac)) / 2a.

Front

A value of x which makes a function f(x) equal 0.

Back

Zero: The x-intercept of a function.

Front

The result of writing the sum of two terms as a difference or vice-versa.

Back

Conjugate: For a + b, the conjugate is a - b.

Front

Complex numbers with no real part.

Back

Imaginary Numbers: Numbers of the form bi, where b is a real number.

Front

A u-shaped curve with certain specific properties.

Back

Parabola: The graph of a quadratic function.

Front

The highest or lowest point on a parabola.

Back

Vertex: The point where the parabola changes direction.

Front

The point where a parabola intersects the x-axis.

Back

Roots: The solutions to the equation f(x) = 0.

Front

The process of breaking down a polynomial into simpler factors.

Back

Factoring: Expressing a polynomial as a product of its factors.

Front

The standard form of a quadratic equation.

Back

Standard Form: ax² + bx + c = 0, where a, b, and c are constants.

Front

The axis that divides a parabola into two symmetrical halves.

Back

Axis of Symmetry: A vertical line that passes through the vertex.