Ch. 3 Flashcard

Front

Back

x = -5, x = 3

Front

True or false: The 'solution', 'zeroes', 'x-intercepts', and 'where a graph crosses the x-axis' of a problem are all the same thing.

Back

True

Front

What is the formula for the discriminant in a quadratic equation?

Back

Front

Back

25 + 5i

Front

Back

14 - 19i

Front

What is the definition of a quadratic equation?

Back

Front

What does the discriminant tell us about the roots of a quadratic equation?

Back

Front

What is the standard form of a complex number?

Back

Front

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

Back

Set the quadratic equation equal to zero and solve for x.

Front

What is the relationship between the roots of a quadratic equation and its factors?

Back