Unit 4 Factoring Quadratics Flashcard

Front

What is the factored form of x² + 16x + 15?

Back

(x + 1)(x + 15)

Front

What is the factored form of x² - 10x + 24?

Back

(x - 4)(x - 6)

Front

What are the factors of 3x² - 17x + 10?

Back

(x - 5)(3x - 2)

Front

Find the factors of x² - 81.

Back

(x - 9)(x + 9)

Front

Find the factors of x² + 4x + 4.

Back

(x + 2)(x + 2)

Front

What is the definition of a quadratic equation?

Back

A polynomial equation of the form ax² + bx + c = 0, where a ≠ 0.

Front

What is the standard form of a quadratic equation?

Back

The standard form is ax² + bx + c = 0.

Front

What is the vertex of a parabola?

Back

The highest or lowest point of the parabola, depending on its orientation.

Front

What is the axis of symmetry in a quadratic function?

Back

A vertical line that divides the parabola into two mirror-image halves, given by x = -b/(2a).

Front

What is the discriminant in a quadratic equation?

Back

The value of b² - 4ac, which determines the nature of the roots.