Graph the following expression on the number line by placing the dot in the proper locations. | x | = 2
1 answer:
Answer:
x = 2
x = -2
Step-by-step explanation:
The absolute value of x is the distance from the point x to 0.
Given:
|x| = 2
This means you have to find such points, the distances from which to 0 is equal to 2.
There are two such points: 2 and -2. They are symmetric about 0 (lies on the same distance from 0).
The attached diagram shows the positions of these two points.
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Answer:
Step-by-step explanation:
Recall that the formula for the length of an arc of circumference is given by the formula:
where is the radian form of central angle subtended , and R is the radius of the circumference. What is important is to have the angle given in radians for this formula to be valid.
In our case, the angle ( ) is already in radians, so we can apply the formula directly: