en.wikipedia.org/wiki/Y-intercept

The y-intercept of ƒ(x) is indicated by the red dot at (x=0, y=1). In analytic
geometry, using the common convention that the horizontal axis represents a ...
Because functions associate x valu...

www.algebra.com/algebra/homework/Linear-equations/Linear-equations.faq.question.137247.html

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
...

www.montereyinstitute.org/courses/Algebra1/COURSE_TEXT_RESOURCE/U04_L1_T2_text_final.html

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.

cs.selu.edu/~rbyrd/math/intercept/

The x-intercept of a line is the point at which the line crosses the x axis. ( i.e.
where the y value equals 0 ) x-intercept = ( x, 0 ) The y-intercept of a line is the
point ...

www.themathpage.com/aprecalc/roots-zeros-polynomial.htm

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
...

www.mathplanet.com/education/algebra-1/visualizing-linear-functions/linear-equations-in-the-coordinate-plane

The point in which the graph crosses the x-axis is called the x-intercept and the ...
The x-intercept is found by finding the value of x when y = 0, (x, 0), and the ...

www.themathpage.com/alg/equation-of-a-line-2.htm

The y-intercept is the value of y where it crosses the y-axis. To find the x-intercept,
we have to find the value of x where y = 0 -- because at every point on the ...

www.columbia.edu/itc/sipa/math/systems_linear.html

By setting first x and then y equal to zero it is possible to find the y intercept on the
... If x = 0, then f(0) = 1 + .5(0) = 1. If y = 0, then f(x) = 0 = 1 + .5x. -.5x = 1. x = -2 ...
At the point of intersection of the two equations x and y have the same values.

www.math.com/school/subject2/lessons/S2U4L2DP.html

Slope is the ratio of the change in the y-value over the change in the x-value. ... if
you know the equation, the y-intercept is the solution to the equation when x = 0.
... the x and y values of a point on the line into the equation, you will get a true ...

jwilson.coe.uga.edu/emt668/EMAT6680.Folders/Barron/unit/Lesson 7/7.html

To find the x-intercepts of any equation, substitute 0 in for y and solve for x. So,
we have 0 ... To find the x-value of the vertex, use the formula x = -b/2a. So, ...