Common

How do you know if a graph is positive or negative?

How do you know if a graph is positive or negative?

A function is positive when the y values are greater than 0 and negative when the y values are less than zero. Here’s the graph of a function: This graph is positive when x is less than 2 and negative when x is greater than 2.

Where is the negative and positive on a graph?

The positive regions of a function are those intervals where the function is above the x-axis. It is where the y-values are positive (not zero). The negative regions of a function are those intervals where the function is below the x-axis. It is where the y-values are negative (not zero).

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What do you do if the slope is negative?

If the slope is negative, then the rise and the run have to be opposites of each other, one has to be positive and one has to be negative. In other words, you will be going up and to the left OR down and to the right.

What is a negative slope on a graph?

A negative slope means that two variables are negatively related; that is, when x increases, y decreases, and when x decreases, y increases. Graphically, a negative slope means that as the line on the line graph moves from left to right, the line falls.

How will you describe the graph when the slope is positive?

Graphically, a positive slope means that as a line on the line graph moves from left to right, the line rises.

What does a negative slope look like on a graph?

Graphically, a negative slope means that as the line on the line graph moves from left to right, the line falls. We will learn that “price” and “quantity demanded” have a negative relationship; that is, consumers will purchase less when the price is higher.

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What is negative slope and positive slope?

A higher positive slope means a steeper upward tilt to the line, while a smaller positive slope means a flatter upward tilt to the line. A negative slope that is larger in absolute value (that is, more negative) means a steeper downward tilt to the line. A slope of zero is a horizontal flat line.

What is a positive slope?

A positive slope means that two variables are positively related—that is, when x increases, so does y, and when x decreases, y decreases also. Graphically, a positive slope means that as a line on the line graph moves from left to right, the line rises.