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What does it mean when a number has 2 lines around it?
That it is an absolute value which means that it is literally just the number, neither positive nor negative, but stands for ALL values of that number including the positive and the negative. so for instance if you had |2| it is neither positive nor negative as that, but it stands for a +2 and a -2. Slightly confusing to explain, but... hope it's helpful.
Justify why the absolute value of a number is never negative?
If it had a sign it wouldn't be an absolute value, which is neither positive nor negative, merely absolute.Note that the absolute value of a number is non-negative by definition.For x < 0, |x| = -x (which is positive)For x ≥ 0, |x| = x (which is never negative)
What is the prime factorization of the square root 512?
The square root of 512 is neither an integer, nor even a rational number, so it has no prime factorization.
How do you plot a point with negative coordinate?
The normal convention used in the Cartesian coordinate system is that everything above the x axis is positive and everything below the x axis is negative, and everything to the right of the y axis is positive, and everything to the left of the y axis is negative (the two axes are themselves neither positive nor negative, they represent zero). Since points on a graph are identified by an ordered number pair, giving first the value of x and then the value of y, there are two numbers; you can have two positive numbers, or you can have one positive and one negative number, or you can have two negative numbers. The point that you are graphing will be located in the appropriate quadrant of the graph. Two positives are in the upper right hand quadrant, two negatives are in the lower left hand quadrant, and a positive and a negative can be either the upper left hand quadrant or the lower right hand quadrant.
Negatives are never absolute values WHY?
The absolute value is the distance from 0 on the number line. -5 is 5 away from 0. You cannot have a negative distance, therefore you cannot have a negative absolute value. Absolute values are not ALWAYS positive because absolute values can be zero as well. Zero is not positive nor negative.
