In a graph, the variable on the horizontal axis is the ____

In a graph, the variable on the horizontal axis is the ____
In a graph, the variable on the horizontal axis is the ____

A scientist measures how far a particle travels within a given amount of time. Every second she measures how far it has gone, and creates a graph of her results. What is the independent variable in this experiment?

Possible Answers:

Neither variable is independent

Both variables are independent

It will depend on the shape of the graph

Explanation:

An independent variable is manipulated by the experimenter. Any changes made are predictable. The dependent variable reacts to changes made to the independent variable. Its changes are not controlled by the experimenter and can be hard to predict.

In this particular experiment, the scientist is measuring how the particle's distance changes over a given time. She is able to control the amount of time that she measures, but is only able to observe the distance traveled.

In the graph, the independent variable will be graphed on the x-axis.

When looking at velocity in terms of distance and time, what is the independent variable?

Possible Answers:

Explanation:

There are a few ways to think of this question. The first is to imagine you are graphing velocity. Since the equation is

In a graph, the variable on the horizontal axis is the ____
, the displacement would be on the y-axis and time would be on the x-axis. The x-axis is going to be where we put our independent variable.

The other way to think of this is to ask yourself what our "inputs" and "outputs" would be if we were measuring velocity. Imagine you're walking down the street and you record how far you travel every second. The time is what you are "inputting" and your distance travelled is your "output."

You are looking at a graph of the motion of a vehicle. On the y-axis is displacement and on the x-axis is time. Which of the following is the independent variable?

Possible Answers:

Explanation:

Independent variables are predetermined by the experimenter and can be manipulated to change the measured dependent variable. Independent variables are generally graphed on the x-axis, while dependent variables are generally graphed on the y-axis.

In this question, time is the independent variable and displacement is the dependent variable. The experimenter can select sampling times, but cannot necessarily predict the displacement that will be measured at each point. This defines time as the independent variable.

Where is the independent variable most commonly displayed on a graph?

Possible Answers:

The independent variable is not displayed

Along both the x- and y-axes

Sometimes along the x-axis and sometimes along the y-axis

Correct answer:

Along the x-axis

Explanation:

The independent variable is controlled by the experimenter, while the dependent variable will fluctuate based on independent variable inputs. The independent variable is always displayed on the x-axis of a graph, while the dependent variable appears on the y-axis. Time is a common independent variable, as it will not be affeced by any dependent environemental inputs. Time can be treated as a controllable constant against which changes in a system can be measured.

In a graph, the variable on the horizontal axis is the ____

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In a graph, the variable on the horizontal axis is the ____

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In a graph, the variable on the horizontal axis is the ____

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In a graph, the variable on the horizontal axis is the ____

Dependent variables are properties that change in response to a change in another property.

Scientists try to determine if a change to one property causes something else to change in a predictable way.

These changing quantities are the variables.

The independent variables are the ones that are tested to see if they are the cause.

The dependent variables are the properties that change when the independent variables change.

For example, you want to find out if you can use a person’s height to determine arm span.

You collect a sample of people and measure their heights (the independent variable). Then you measure their arm spans (the dependent variable). Is a change in the independent variable related to a change in the dependent variable?

To answer this question, you plot a graph with the independent variable along the x-axis and the dependent variable along the y-axis. Your graph might look like this.

In a graph, the variable on the horizontal axis is the ____

You can draw a “best fit” line through the points. This indicates that the dependent variable (arm span) depends on the person’s height.