AFDA Functions & Quadratics Test

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

Front

How do you translate a phrase into an algebraic expression?

Back

To translate a phrase into an algebraic expression, identify the mathematical operations indicated by the words and use variables to represent unknown quantities.

Front

What does '8 less than' indicate in an algebraic expression?

Back

'8 less than' indicates subtraction. For example, '8 less than a number m' is expressed as m - 8.

Front

What is 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 y-intercept from a graph?

Back

To find the y-intercept from a graph, look for the point where the graph crosses the y-axis.

Front

What is an x-intercept?

Back

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

Front

How do you find the x-intercept from a graph?

Back

To find the x-intercept from a graph, look for the points where the graph crosses the x-axis.

Front

What is the range of a function?

Back

The range of a function is the set of all possible output values (y-values) that the function can produce.

Front

How do you determine the range of a quadratic function?

Back

To determine the range of a quadratic function, identify the vertex and the direction the parabola opens (upward or downward).

Front

What is the vertex of a quadratic function?

Back

The vertex of a quadratic function is the highest or lowest point on the graph, depending on the direction the parabola opens.