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How do you use a table of data to check whether the relationship between two variables is a direct variation?
if it passes through (0,0) then it is a direct variation
How do we know when an equation represents a proportional relationship?
If it passes through the origin
What is center line?
It usually describes a straight line which passes through the centre of a given shape.
Is every relationship whose graph passes through the origin direct variation?
No, not every relationship whose graph passes through the origin represents direct variation. Direct variation specifically means that the relationship can be expressed in the form ( y = kx ), where ( k ) is a non-zero constant. While a graph passing through the origin indicates a proportional relationship, it can also represent other types of relationships, such as quadratic or polynomial functions, if they contain additional terms. Therefore, the key characteristic of direct variation is the constant ratio between ( y ) and ( x ), not just the point of intersection at the origin.
Is a diameter a line segment that passes through the center of a circle?
Yes, a diameter is a line that goes between two points on the circumference of a circle and passes through the center point.
What is the relationship between latitude and time zones?
There is no relation. Every latitude passes through every time zone.
How do you use a table of data to check whether the relationship between two variables is a direct variation?
if it passes through (0,0) then it is a direct variation
How do we know when an equation represents a proportional relationship?
If it passes through the origin
What is center line?
It usually describes a straight line which passes through the centre of a given shape.
How is Snell's law used?
Snell's law is used to predict the direction of a ray of light as it passes through different mediums with different refractive indices. It describes the relationship between the angles of incidence and refraction for a light ray passing from one medium to another. By applying Snell's law, one can calculate the angle at which the light will bend when passing through the interface between two mediums.
How can you know if a graph represents a proportional relationship?
It is a relationship of direct proportion if and only if the graph is a straight line which passes through the origin. It is an inverse proportional relationship if the graph is a rectangular hyperbola. A typical example of an inverse proportions is the relationship between speed and the time taken for a journey.
What meridian passes through botswana?
Every meridian of longitude between 20° East and about 29.35° East passes through Botswana.
Name a meridian which passes through no continent except Antarctica?
170° W...it passes through the Bering Straight (between Alaska and Russia!)
When light waves refract and go into a slower medium the angle of incidence is what the angle of refraction?
When light waves refract from a faster medium to a slower medium, the angle of incidence is greater than the angle of refraction. This is known as Snell's Law, which describes the relationship between the angles of incidence and refraction when light passes through different mediums.
What is the relationship between the angle of incidence and the angle of refraction when light passes through a boundary between two different mediums?
When light passes through a boundary between two different mediums, the angle of incidence (the angle at which the light enters the boundary) is related to the angle of refraction (the angle at which the light bends as it enters the second medium). This relationship is described by Snell's Law, which states that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities of light in the two mediums.
The international Dateline passes through which oceans?
The International Dateline passes through the Pacific Ocean. The Southern portion passes through the Southern Ocean and a smaller portion also passes through the Arctic Ocean.
Which term describes symptoms that occur when the median nerve is compressed as it passes through the narrow area in the wrist?
Carpal Tunnel Syndrome
