Q&A for How to Read Graphs

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Question

How do I graph 1920 population is 65,000; 1924 population is 100,000; 1925 population is 60,000?

Donagan

Top Answerer

Let the x-axis be one set of numbers (say, the years), and let the y-axis be the other set of numbers (say, the populations). Plot the points corresponding to each pair of numbers (a given year and its population).

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Question

What is the trend when both variables increase?

Donagan

Top Answerer

The trend is represented by a line moving up from left to right.

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Question

What is a coefficient?

Community Answer

A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression.

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Question

How do I read a line graph with multiple lines?

Donagan

Top Answerer

There should be an explanatory legend somewhere on the graph telling what each line represents. Each line would be read separately from the other line(s).

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Question

What is an increase called in a graph?

Community Answer

It's called an increase or a rise.

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Question

How do you find the X on a graph?

Donagan

Top Answerer

An X-coordinate on a graph is a distance to the left or right of the Y-axis as measured along the X-axis.

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