Algebra 2 - Initial Vocabulary Quiz

1) The absolute value of a number is always ______________.

• negative
• nonnegative

2) A solution of an equation is a value that makes the equation ____________.

• false
• true

3) The empty set contains _____________ elements.

• many
• no

4) Variables are used to represent _________ quantities.

• known
• unknown

5) The _________ of a relation is the set of all first coordinates from the ordered pairs which determine the relation.

• domain
• range

6) The _________ of a quadratic equation is given below, where a, b and c are integers and "a" does not equal zero.

• factored form
• standard form

7) The graph of a quadratic function is called a _____________.

• parabola
• vertex

8) A method called ___________ is used to make a quadratic expression a perfect square in order to solve the related equation.

• completing the square
• FOIL method

9) The equation shown below is known as the _________________.

• discriminant
• Quadratic Formula

10) The x-intercepts of a graph are called the ______________.

• turning points
• zeros