Given a unit circle with coordinates (x, 4), calculate x
Unit Circle Formula
Given a unit circle point (x, y)
x2 + y2 = 1
Plug in x = x and y = 4
x2 + 42 = 1
x2 + 16 = 1
Subtract 16 from each side:
x2 = 1 - 16
x2 = -15
Take the square root of each side:
√x2 = √-15
Final Answer
Not on a unit circle
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What is the Answer?
Not on a unit circle
How does the Unit Circle Calculator work?
Free Unit Circle Calculator - Determines if coordinates for a unit circle are valid, or calculates a variable for unit circle coordinates
This calculator has 1 input.
This calculator has 1 input.
What 1 formula is used for the Unit Circle Calculator?
What 7 concepts are covered in the Unit Circle Calculator?
- area
- Number of square units covering the shape
- circle
- the set of all points in the plane that are a fixed distance from a fixed point
- equation
- a statement declaring two mathematical expressions are equal
- origin
- On a two digit coordinate plane, the point (0, 0), where the x-axis and y-axis cross.
- point
- an exact location in the space, and has no length, width, or thickness
- radius
- Distance from the center of a circle to the edge
C/2π - unit circle
- A circle centered at the origin (0, 0) with a radius of 1
x2 + y2 = 1
Example calculations for the Unit Circle Calculator
Unit Circle Calculator Video
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