What is the discriminant in a quadratic equation?

The discriminant is given by $$b^2 - 4ac$$ and determines the nature of the roots.

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 and $$i$$ is the imaginary unit.

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

A linear equation is of the form $$y = mx + b$$ , while a quadratic equation is of the form $$ax^2 + bx + c = 0$$ .

What does it mean for a function to be continuous?

A function is continuous if there are no breaks, jumps, or holes in its graph.

What is the vertex form of a quadratic function?

The vertex form is $$y = a(x - h)^2 + k$$ , where (h, k) is the vertex.

What is the axis of symmetry for the parabola given by the equation $$y = ax^2 + bx + c$$ ?

The axis of symmetry is given by $$x = -\frac{b}{2a}$$ .

What is the significance of the roots of a quadratic equation?

The roots are the values of $$x$$ where the quadratic equation equals zero, indicating the points where the graph intersects the x-axis.

What is a radical expression?

A radical expression is an expression that contains a root symbol, such as $$\sqrt{x}$$ .

College Prep Math - 4th Nine Weeks Flashcards

Student preview

15 questions

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1.

FLASHCARD QUESTION

Front

What is a mathematical sentence with an equal sign?

Back

Equation

2.

FLASHCARD QUESTION

Front

Back

Quadratic equation

3.

FLASHCARD QUESTION

Front

What do you call a mathematical expression that contains a root?

Back

Radical expression

4.

FLASHCARD QUESTION

Front

How does a student receive financial aid to pay for college?

Back

A student needs to complete a Free Application for Federal Student Aid (FAFSA).

5.

FLASHCARD QUESTION

Front

What is the term for the line that divides a parabola into two symmetrical halves?

Back

Axis of Symmetry

6.

FLASHCARD QUESTION

Front

What is the formula used to find the roots of a quadratic equation?

Back

7.

FLASHCARD QUESTION

Front

What is the term for the highest or lowest point of a parabola?

Back

Vertex

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