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SOLUTION: Why is it true that at the x-intercept, the value of y is 0 ...


SOLUTION: Why is it true that at the x-intercept, the value of y is 0, and at the y- intercept, the value of x is 0? Please give 1 or 2 examples please? I would like to  ...

Find the x- and y- intercepts. - West Texas A&M University


Jul 31, 2011 ... With that in mind, what value is y always going to be on the x-intercept? No matter where you are on the x-axis, y's value is 0, that is a constant.

Intercepts of Linear Equations


To find the y-intercept, we substitute 0 for x in the equation, because we know that every point on the ... of 0. Once we do that, we can solve to find the value of y.

x-intercept of a line (video) | Khan Academy


Sal determines the x-intercept of a linear equation from a graph. ... have to figure out what x value, when y is equal to 0, will have this equation be true. So we ...

x- and y-Intercepts - Purplemath


Take a closer look, and you'll see that the y-axis is also the line "x = 0". ... an x- intercept is a point in the equation where the y-value is zero, and; a y-intercept is a ...

Finding X and Y Intercepts w/ Absolute Value: y = -|x + 5| - Free ...


Mar 5, 2007 ... y = -|x + 5| Let x = 0 y = -|0 + 5| y = -|5| y = -5 so the y- intercept is (0,-5)

Intercepts of Lines - AlgebraLAB


To find an x-intercept, let the value of y in the equation be equal to zero. ... A horizontal line (other than y = 0) will not have an x-intercept. The line y = 0 is another ...

Parabolas - CSUN


The graph of a quadratic equation in two variables (y = ax<sup>2</sup> + bx + c ) is called a ... but irrational (radicals) then we need to approximate their values and plot them. ... We can use this fact to find the y-intercepts by simply plugging 0 for x in the ...

Equation of a Line, Tangent Lines - Brown math department


Ex: Find the equation of the tangent line of y = x<sup>3</sup> at x = 2 ... Similarly, the x- intercept is the x-value when y = 0, where the graph crosses the x-axis. To find the ...

Roots or zeros of a polynomial - Topics in precalculus - The Math Page


The relationship between the roots and the x-intercepts of a graph. ... At the x- intercept -- on the x-axis -- y = 0. The y-intercept is that value of y where the graph  ...