Algebra EOC Vocabulary

Front

What is the vertex form of a quadratic function?

Back

f(x) = a(x-h)² + k

Front

What does the function notation f(x) represent?

Back

y =

Tags

CCSS.HSF.IF.A.1

Front

What is the axis of symmetry in a quadratic function with vertex (x, y)?

Back

x

Front

What is the term for where the line crosses the x-axis?

Back

X-Intercept

Front

What are the x-intercepts of a quadratic equation also known as?

Back

Roots

Tags

CCSS.HSF-IF.C.7A

Front

What is the standard form of a quadratic function?

Back

f(x) = ax² + bx + c

Front

How can you find the vertex of a quadratic function in standard form?

Back

Use the formula h = -b/(2a) and k = f(h).

Front

What is the significance of the 'a' value in the vertex form of a quadratic function?

Back

It determines the direction and width of the parabola.

Front

What does it mean if a quadratic function has no real roots?

Back

The graph does not intersect the x-axis.

Tags

CCSS.HSF-IF.C.7A

Front

What is the quadratic formula used for?

Back

To find the roots of a quadratic equation: x = (-b ± √(b² - 4ac)) / (2a).

Tags

CCSS.HSA-REI.B.4B