Which graph represents y=-2x
1 answer:
A graph which represents the linear function y = -2x is: graph B.
<h3>What is a graph?</h3>In Mathematics, a graph can be defined as a type of chart that is typically used for the graphical representation of data points or ordered pairs on both the horizontal and vertical lines of a cartesian coordinate, which are the x-axis and y-axis respectively.
Generally speaking, the graph of any proportional relationship is characterized by a straight line with the data points passing through the origin (0, 0) because as the values on the x-axis (x-coordinate) either increases or decreases, the values on the y-axis (y-coordinate) increases or decreases simultaneously.
In this context, we can reasonably infer and logically deduce that the relationship between x-values and y-values in the graph of y = -2x is proportional as it passes through the origin (0, 0).
Read more on a graph here: brainly.com/question/16869886
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Step-by-step explanation:
As we know that
- The circle center is equidistant from all three points, the distance being the circle radius.
- Any point equidistant from two points must lie on the perpendicular bisector of the line segment which join those two points.
- Which is, on the line through the midpoint of the line segment, perpendicular to the line segment.
The perpendicular bisector of the line segment joining the points (1, 1) and (1, 3) will be:
The perpendicular bisector of the line segment joining the points (1, 3), and (9, 2) will be:
These intersect at the center of the circle (5, 2).
The distance between (1, 1) and (5, 2) will be:
So the equation of the circle can be written as:
