Virtual Day 12-9 Test Review Quadratics

Front

What is the standard form of a quadratic equation?

Back

The standard form of a quadratic equation is y = ax^2 + bx + c.

Front

What does it mean for a function to cross the x-axis?

Back

It means the function has x-intercepts, also known as zeros or roots.

Front

How do you factor a quadratic equation when a = 1?

Back

Find two numbers that multiply to 'c' and add to 'b'.

Front

What is the Quadratic Formula?

Back

Front

What is the purpose of completing the square?

Back

Completing the square is used to solve quadratic equations and convert them into vertex form.

Front

What is the box method in factoring?

Back

The box method is a visual way to organize the multiplication of binomials to factor quadratics.

Front

What are the x-intercepts of a quadratic function?

Back

The x-intercepts are the points where the graph of the function crosses the x-axis.

Front

What is the significance of the discriminant in the Quadratic Formula?

Back

The discriminant (b^2 - 4ac) determines the nature of the roots: two real and distinct, one real and repeated, or two complex.

Front

What is a radical in mathematics?

Back

A radical is an expression that includes a root, such as a square root or cube root.

Front

What is the vertex of a quadratic function?

Back

The vertex is the highest or lowest point on the graph of a quadratic function.