8MA Unit 2B Review

Front

What is a y-intercept?

Back

The y-intercept is the point where a function or line crosses the y-axis, indicating the value of y when x is 0.

Front

How do you compare y-intercepts of two functions?

Back

To compare y-intercepts, evaluate the functions at x=0 and compare the resulting y-values.

Front

What does the slope of a linear function represent?

Back

The slope represents the rate of change of the function, indicating how much y changes for a unit change in x.

Front

In the equation y = mx + b, what does 'm' represent?

Back

In the equation, 'm' represents the slope of the line.

Front

In the equation y = mx + b, what does 'b' represent?

Back

In the equation, 'b' represents the y-intercept of the line.

Front

What does a positive slope indicate about a function?

Back

A positive slope indicates that as x increases, y also increases.

Front

What does a negative slope indicate about a function?

Back

A negative slope indicates that as x increases, y decreases.

Front

How can you find the slope from two points (x1, y1) and (x2, y2)?

Back

Front

What is the meaning of the slope in a real-world context?

Back

The slope can represent a rate, such as speed, cost per item, or growth rate.

Front

How do you interpret the y-intercept in a real-world context?

Back

The y-intercept represents the starting value or initial condition before any changes occur.