8th Math Semester 1 Final

Front

What does the y-intercept represent in a graph of a candle's height as it burns?

Back

The y-intercept represents the initial height of the candle before it starts burning.

Front

How is the DOMAIN of a graph expressed in Set Builder Notation?

Back

The DOMAIN is expressed as {x | condition on x values}.

Front

What is a function in terms of ordered pairs?

Back

A function is a set of ordered pairs where each input (x-value) is associated with exactly one output (y-value).

Front

What does a line of best fit indicate about data points?

Back

A line of best fit shows the general trend of the data points, but it may not perfectly represent all points.

Front

How do you predict values using a linear model?

Back

Substitute the given value into the linear equation to find the corresponding output.

Front

What is the formula for a linear equation?

Back

A linear equation is typically in the form y = mx + b, where m is the slope and b is the y-intercept.

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x.

Front

What is the significance of data points above the line of best fit?

Back

Data points above the line indicate that the actual values are higher than the predicted values.

Front

What does it mean if a set of values is not a function?

Back

It means that at least one input (x-value) is associated with more than one output (y-value).

Front

How do you determine the y-intercept from a linear equation?

Back

The y-intercept is the value of y when x = 0 in the equation.