2019-2020 8th Grade Math 1st Semester Review

Front

What is a scatterplot?

Back

A scatterplot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional plane.

Front

What does a positive, non-linear trend in a scatterplot indicate?

Back

It indicates that as one variable increases, the other variable also increases, but not at a constant rate.

Front

How do you calculate simple interest?

Back

Simple interest can be calculated using the formula: Interest = Principal × Rate × Time.

Front

If Jason deposits $500 at 1.75% interest for 8 years, how much interest does he earn?

Back

He earns $70 in interest, making his total $570.

Front

What is a cold front?

Back

A cold front is a boundary between a mass of cold air and a mass of warm air, often leading to a drop in temperature.

Front

How do you determine the rate of temperature change from a table?

Back

You can find the rate of temperature change by calculating the difference in temperature over the time interval.

Front

Back

This equation represents a linear function where 1.3 is the slope and 10 is the y-intercept.

Front

What is the significance of the slope in a linear equation?

Back

The slope indicates the rate of change of the dependent variable with respect to the independent variable.

Front

What happens to your account balance if you deposit money regularly?

Back

Your account balance will increase over time due to the regular deposits.

Front

What is the y-intercept in a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis, representing the value of y when x is 0.