Chapter 1 Pre Test

Front

What is a function?

Back

A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.

Front

What is the definition of a y-intercept?

Back

The y-intercept is the point where a graph intersects the y-axis, represented as (0, y).

Front

How do you find the maximum or minimum value of a quadratic function?

Back

Front

What does it mean for a table to represent a function?

Back

A table represents a function if each input (x-value) corresponds to exactly one output (y-value).

Front

What is the vertex of a parabola?

Back

The vertex of a parabola is the highest or lowest point on the graph, depending on whether it opens upwards or downwards.

Front

How do you determine if a graph has a maximum or minimum value?

Back

A graph has a maximum value if it opens downwards and a minimum value if it opens upwards.

Front

What is the standard form of a quadratic function?

Back

Front

What is the significance of the coefficient 'a' in a quadratic function?

Back

The coefficient 'a' determines the direction of the parabola: if 'a' is positive, the parabola opens upwards; if 'a' is negative, it opens downwards.

Front

How can you find the y-intercept from a quadratic equation?

Back

Front

What is the formula for finding the roots of a quadratic equation?

Back