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What are facts and characteristics of absolute value?
|x|, the absolute value of x, is defined as follows: |x| = x if x ≥ 0 |x| = -x if x < 0 The characteristics are: |x| ≥ 0 |x| = 0 => x = 0 For any two numbers x and y, |x*y| = |x|*|y| |x+y| ≤ |x|+|y|
How do you find the x-intercept from a table?
You look for the value of 0 in the y column, and find out what x has to be for y=0. This value of x is you x-axis intercept. (Reverse "x" and "y" in the above description to find the y-intercept, if there is one).
What would be the y-intercept of line y equals 3x-4?
7
Why do x and y have the same absolute value if x is a rational number and y is the opposite?
If x and y are additive opposites, then y = -x.If x >= 0 then abs(x) = xalso y 0 so that abs(y) = y.
What is the rules for absolute value?
For finding the absolute values, if x ≥ 0 then |x| = x if x < 0 then |x| = -x so that |x| is always ≥ 0 |x| + |y| ≥ |x + y| |x| * |y| = |x*y|
What is the value of x when y is 0?
if x:=x(y) then y=0 => x=x(0)
What is the value of y if x equals 0?
Then, y can be any value such that x = 0! If that equation doesn't contain y values, then this means that any y value work for the equation! For instance, if y = 1, then x = 0. If y = 2, then x = 0 and so on.
What are facts and characteristics of absolute value?
|x|, the absolute value of x, is defined as follows: |x| = x if x ≥ 0 |x| = -x if x < 0 The characteristics are: |x| ≥ 0 |x| = 0 => x = 0 For any two numbers x and y, |x*y| = |x|*|y| |x+y| ≤ |x|+|y|
Why is it true that at x-intercept the value of y is 0 and at y-intercept the value of x is 0?
0
What is the x intercept when any equation has a y value of?
y must have a value of 0 at the x-intercept.
How do find x and y intercepts without a graph?
If for example: y = 2x+4 Then: y-2x = 4 And when the value of x is 0 then the y intercept is 4 And when the value of y is 0 then the x intercept is -2
How do you find the x-intercept from a table?
You look for the value of 0 in the y column, and find out what x has to be for y=0. This value of x is you x-axis intercept. (Reverse "x" and "y" in the above description to find the y-intercept, if there is one).
What would be the y-intercept of line y equals 3x-4?
7
Why do x and y have the same absolute value if x is a rational number and y is the opposite?
If x and y are additive opposites, then y = -x.If x >= 0 then abs(x) = xalso y 0 so that abs(y) = y.
What is the rules for absolute value?
For finding the absolute values, if x ≥ 0 then |x| = x if x < 0 then |x| = -x so that |x| is always ≥ 0 |x| + |y| ≥ |x + y| |x| * |y| = |x*y|
What are the intercepts for the line -2x plus y equals 5?
The y intercept is where x = 0 and the x intercept is where y = 0. Choosing a value of 0 for x in the given equation yields y = 5 for the y intercept; choosing a value of 0 for y in the given equation yields -2x = 5 or x = -5/2 for the x intercept.
What is the value of y in x equals -6 and x plus y equals 0?
y = 6
