What is a coefficient?

A coefficient is a numerical or constant quantity placed before a variable in an algebraic expression.

What is a complex number?

A complex number is a number that can be expressed in the form $$a + bi$$ , where $$a$$ and $$b$$ are real numbers.

What is the difference between a rational number and an irrational number?

A rational number can be expressed as a fraction $$\frac{p}{q}$$ where p and q are integers, while an irrational number cannot be expressed as a simple fraction.

What is the quadratic formula?

The quadratic formula is $$x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$ , used to find the roots of a quadratic equation $$ax^2 + bx + c = 0$$ .

What is the vertex of a parabola?

The vertex of a parabola is the highest or lowest point on the graph, depending on whether it opens upwards or downwards.

What is the discriminant in a quadratic equation?

The discriminant is the part of the quadratic formula under the square root, given by $$b^2 - 4ac$$ , which determines the nature of the roots.

A function is a relation that assigns exactly one output for each input from its domain.

What is the difference between a linear function and a quadratic function?

A linear function has the form $$f(x) = mx + b$$ , while a quadratic function has the form $$f(x) = ax^2 + bx + c$$ .

Algebra II Semester Test Flashcards

Student preview

15 questions

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1.

FLASHCARD QUESTION

Front

What is a parameter in a function or equation?

Back

A parameter is a constant in a function or equation that may be changed.

2.

FLASHCARD QUESTION

Front

What is a parent function?

Back

A parent function is the simplest example of a family of functions that has the defining characteristics of the family.

3.

FLASHCARD QUESTION

Front

What is an imaginary number?

Back

4.

FLASHCARD QUESTION

Front

Back

5.

FLASHCARD QUESTION

Front

What defines an odd function?

Back

6.

FLASHCARD QUESTION

Front

What defines an even function?

Back

7.

FLASHCARD QUESTION

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value in mathematical expressions or equations.

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