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.wtamu.edu/academic/anns/mps/math/mathlab/beg_algebra/beg_alg_tut22_int.htm

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.

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.

www.algebralab.org/lessons/lesson.aspx?file=algebra_lineareqintercepts.xml

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 ...

www.khanacademy.org/math/algebra-home/alg-linear-eq-func/alg-x-and-y-intercepts/v/finding-x-intercept-of-a-line

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 ...

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.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 ...

www.tpub.com/math1/13a.htm

At the X intercept, the graph line is touching the X axis, and thus the Y value at ...
The Y intercept is found by letting x = 0 and finding the corresponding value of y.
... This is true because substituting -3 for x and -2 for y reduces the equation to ...

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

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

www2.ccsd.ws/sbfaculty/team8e/jecole/Math/Line and Slope Intercept.htm

First, Joan needs to find values of x and y that make this equation true. ... Joan
has found that (x = 3, y = 0) makes her equation true, so she graphs the point (3, ...