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Two variables are negatively related
- A negative slope means that two variables are negatively related. When x increases, y decreases. A line that makes an obtuse angle (an angle greater than 90 degrees) with the positive x-axis in the counterclockwise direction is known as a line with a negative slope.
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Learn what negative slope means in math, how to calculate it, and how to graph it. See examples of negative slope in real life and equations, and compare it with positive, zero, and undefined slope.
Learn what a negative slope is, how to calculate it, and how to plot it on a graph. A negative slope means that the line is sloping downwards and the variables are inversely related.
Learn how to identify and interpret positive and negative slopes of linear equations using graphs and coordinates. Watch a video and read comments from other learners and experts.
- 5 min
- If let's say you get a slope and it tells you that you need to describe the slope using words like I...*Increasing*: the graph goes *up* from left to right *Decreasing*: the graph goes *down* from left to right *Horizontal*: the graph is perfectly fl...
- Ok y'all, I think I figured out how to easily see if a slope is negative or positive. All you have t...There is a faster way... All lines that slant downward as they move left to right have negative slopes. All lines that slant upward as they move le...
- What if you don't have a whole graph and you just have one box how do you figure out if it's negativ...Line might go up, doesn't change or go down Up - Positive slope No change - Undefined (you can't divide by 0) Down - Negative slope
- Does infinite slope exist? What happens if the slope of the graph of the line that has a number that...Well technically, yes. Slope is Rise/Run. If the Rise is infinite and run is 1 that would make a line that is _almost_ vertical. This is a very hyp...
- Does the slope line only have to be in the NE direction? Or can it be in the opposite direction, lik...Great Question! No linear equation slope runs _towards_ Northwest… but Negatives run _from the Northwest_ to the Southeast, (downward to the right)...
- How do you know when the slope is negative or positive?If the graph of a line rises from left to right, the slope is positive. If the graph of the line falls from left to right the slope is negative.
- can you get a slope with a decimal point in itYes. Say it costs $4.65 per bag of chips at a store. You can form an equation, y=4.65x to tell you costs for x amount of chips. You have to realize...
- Why don't you do the slope as _∆x/∆y_? Isn't that the same as the coordinates of a coordinate plane?...It's because we describe 𝑦 as a function of 𝑥: 𝑦 = 𝑚𝑥 + 𝑏 If we have two points (𝑥₁, 𝑦₁) and (𝑥₂, 𝑦₂) we get the two equations 𝑦₁ = 𝑚𝑥...
- I have one question. WHYI have one question for you ... Why not? Look around you. There are many items in real life that involve slanted lines. All require an understandin...
Learn how to find the slope of a line by dividing the vertical change by the horizontal change. See examples, definitions, and tips for graphing lines with negative slope.
- 4 min
- Sal Khan,Monterey Institute for Technology and Education
- a perfectly horizontal line has no slope - a perfectly vertical line has a slope that is not defined - a line that goes upwards (from left to right) has a positive slope - a line that goes downwards (from left to right) has a negative slope Hope this helps!
Negative slope. Horizontal line slope. A horizontal line has a slope of zero because y does not change: Slope = 0 y = 2. Vertical line slope. A vertical line has an undefined slope because you cannot divide by zero (x does not change). Slope = undefined x = 3. Parallel line slope. y = 2x + 3 and y = 2x - 4 both have a slope of 2, so they are ...
Learn what negative slope means in geometry and how to calculate it using a formula. See examples of lines with negative slope and how to identify them from coordinates.
