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What does x equals x mean?
The "equals" means that you claim that whatever is on the left of the equal sign is the same as whatever is on the right of the equal sign. In this case, it is claimed that x is the same as x - a true claim.
Do the x- and y- coordinates have the same sign?
Yes
Does the x and y coordinate have the same sign?
Not necessarily.
How are math expressions and math equations the same?
They are the same except equations use the equal sign =
In which quadrants for the x-coordinates and the and y-coordinates have the same and sign?
The quadrants where the x-coordinates and y-coordinates have the same sign are Quadrant I and Quadrant III. In Quadrant I, both x and y are positive, while in Quadrant III, both x and y are negative.
What does x equals x mean?
The "equals" means that you claim that whatever is on the left of the equal sign is the same as whatever is on the right of the equal sign. In this case, it is claimed that x is the same as x - a true claim.
Do the x- and y- coordinates have the same sign?
Yes
Does the x and y coordinate have the same sign?
Not necessarily.
How are math expressions and math equations the same?
They are the same except equations use the equal sign =
In which quadrants for the x-coordinates and the and y-coordinates have the same and sign?
The quadrants where the x-coordinates and y-coordinates have the same sign are Quadrant I and Quadrant III. In Quadrant I, both x and y are positive, while in Quadrant III, both x and y are negative.
Do x 5 and 5 x represent the same thing?
The answer depends on the sign (if any) between 5 and x : which we cannot see. If there is none, or if it is the sign for multiplication or addition then "yes". Otherwise, no.
How do you subtract two integers with the same sign?
It is normal subtraction. if the tw numbers are x and y then the subtraction is x-y
What are the rules for points reflected over the x-axis?
The x value remains the same, but the y value changes sign
Do X and y coordinates have same sign?
Sometimes they do, sometimes they don't.It depends upon which quadrant the point is in:In quadrant I they both have the same sign - positive;In quadrant II they have the different signs - x is negative whilst y is positive;In quadrant III they both have the same sign - negative;In quadrant IV they have the different signs - x is positive whilst y is negative;
When is true that absolute value of x plus y equals sum of their individual absolute values?
When 'x' and 'y' both have the same sign.
Does cos x equal cos negative x?
Yes. Cosine is adjacent side over hypothenuse. Adjacent side is the same sign when x is positive or negative.
When you reflect a figure across the x axis do the x-coordinates change or remain the same?
When you reflect a figure across the x-axis, the x-coordinates of the points remain the same, while the y-coordinates change sign. This means that if a point is at (x, y), its reflection across the x-axis will be at (x, -y).
