Quadratic Key Features Practice

Front

What is the graph of a quadratic function called?

Back

Parabola

Tags

CCSS.HSF-IF.C.7A

Front

What are the solutions of the quadratic function represented on the graph?

Back

The x-intercepts of the parabola.

Front

How do you find the y-intercept of a quadratic equation?

Back

Set x = 0 and solve for y.

Tags

CCSS.HSF-IF.C.7A

Front

What is the y-intercept for the equation: y = -8x² + 3x - 7?

Back

(0, -7)

Tags

CCSS.HSF-IF.C.7A

Front

What is the vertex of a parabola?

Back

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

Front

What does the term 'zeros' refer to in a quadratic function?

Back

The x-values where the graph intersects the x-axis.

Tags

CCSS.HSF-IF.C.7D

Front

How many zeros does the parabola y = x² - 4 have?

Back

2 (at x = -2 and x = 2)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Front

What is the axis of symmetry in a parabola?

Back

A vertical line that divides the parabola into two mirror-image halves.

Front

How do you find the axis of symmetry for a quadratic function in standard form?

Back

Use the formula x = -b/(2a).

Front

What is the vertex form of a quadratic function?

Back

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