Tables, Graphs Equations

Front

What is the independent variable in a relationship between distance and time?

Back

Time is the independent variable because it is the variable that is manipulated or changed.

Front

What does the equation y=40x represent in a table of values?

Back

It represents a linear relationship where for every unit increase in x, y increases by 40.

Front

If each roller coaster vehicle can hold 6 people and there are 12 vehicles, how many people can ride at once?

Back

72 people can ride at once (6 people/vehicle * 12 vehicles = 72 people).

Front

How much money does Greg make if he works 9 hours at $6 per hour?

Back

$54 (m=6h; m=6*9=54).

Front

What equation represents Nancy's typing speed of 50 words per minute?

Back

w=50m, where w is the number of words and m is the minutes.

Front

What is a dependent variable?

Back

A dependent variable is the variable that is measured or affected in an experiment.

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed, typically in the form y=mx+b.

Front

What does the slope in a linear equation represent?

Back

The slope represents the rate of change between the two variables.

Front

What is the purpose of a table in mathematics?

Back

A table organizes data in rows and columns to make it easier to read and analyze.

Front

How do you find the total number of items if you know the number of groups and the number of items per group?

Back

Multiply the number of groups by the number of items per group.