12/12 MLL Proportions and Percents Unit 3a Test

Front

What do x and y represent in a graph where the up and down line = words and the left to right line = minutes?

Back

x represents minutes; y represents words.

Front

According to the graph, how long did it take the bug to crawl 10 feet if it crawled 2 feet in 2 seconds?

Back

5 seconds.

Front

What does it mean for a table to be proportional?

Back

A table is proportional if the ratio of y to x is constant.

Front

Is the equation y=6x proportional or non-proportional?

Back

Proportional.

Front

Which graph is non-proportional?

Back

Graph D.

Front

Define proportional relationship in mathematics.

Back

A proportional relationship is one where two quantities maintain a constant ratio.

Front

What is the formula to find the percent of a number?

Back

Percent = (Part/Whole) x 100.

Front

If a bug crawls 2 feet in 2 seconds, how long will it take to crawl 10 feet?

Back

10 seconds.

Front

What is the definition of percent?

Back

Percent means 'per hundred' and is a way to express a number as a fraction of 100.

Front

How do you determine if a set of data is proportional using a graph?

Back

If the graph is a straight line that passes through the origin, it is proportional.