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What is the difference of x intercept and y intercept?
The y-intercept is the value of the function when 'x' is zero. That is, it's the point at which the graph of the function intercepts (crosses) the y-axis. The x-intercept is the value of 'x' that makes the value of the function zero. That is, it's the point at which 'y' is zero, and the graph of the function intercepts the x-axis.
Is X is a rational number and Y is the opposite of X why do X and Y have the same absolute value?
X and Y have the same absolute value because the opposite of a number doesn't change its distance from zero. The absolute value of a number represents its distance from zero on the number line, and since X and Y are opposites, they have the same distance from zero.
What is the y-intercept of y equals 2x plus 10?
The y-intercept means... When does the line cross through the y-axis?This happens when the x-value is zero... so simply just plug in zero for "x"y = 2 * (0) + 10y = 10y-intercept is equal to 10For the x-intercept just make the y-value equal to zero.
Why do we substitute zero for the value of y when finding the solutions of quadratic equations?
Because the solutions are found on the x axis when y is zero.
What are the coordinates of the y intercept?
They are at (0, y) on the Cartesian plane where y is the vertical y axis. For any function you would have to solve the function for the value of y when x is zero - and then the coordinates would be (0,y) For the x (horizontal) axis, which is equivalent to the function y = 0, they would be (0,0), i.e. when x is zero, y is zero.
