A2 Chapter 4 Vocab Flashcard

Front

Two complex numbers of the form a+bi and a−bi are called?

Back

complex conjugates

Front

In the function f(x) = 3x² - 2x + 5, what is 5 called?

Back

constant term

Front

2x² + 3x - 4 ≤ 0 is an example of what?

Back

quadratic inequality

Front

Solutions of a quadratic equation are called?

Back

roots

Front

Quadratic equation: y=2(x+3)²-1. What form is this?

Back

vertex

Front

If a parabola opens upward, the y-coordinate of the vertex is the...

Back

minimum value

Front

In the function f(x) = -x² + 2x - 1, what is -x² called?

Back

quadratic term

Front

Highest/lowest point on a parabola?

Back

vertex

Front

In the Quadratic Formula, the expression b² - 4ac is called the...

Back

discriminant

Front

Square roots of negative numbers are called?

Back

pure imaginary numbers