Chat with our AI personalities
It means that the numeral is to be multiplied by a thousand. For example, X = 10 but with a line over X it would be 10,000. A horizontal line above a numeral means that it should be multiplied by a thousand so VII with a line above it represents 7000, it can also be written as (VII)
my but
(X) or X with a line above it
The graph of y = x + 1 is a straight line with slope 1 which passes through the point (0, 1) If you have y < x + 1, then it is the area under the line y = x + 1 and is shown by shading the area under the line. If you have y > x + 1, then it is the area above the line y = x + 1 and is shown by shading the area above the line.
The graph of y > - x is an area, firstly draw the line y = -x which is a line sloping diagonally upwards to the left at 45o and the area where y > -x is the area above the line