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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 values to no more than one y value as part of their  ...

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.purplemath.com/modules/intrcept.htm

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 ...

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.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.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.texasgateway.org/resource/determining-intercepts-and-zeros-linear-functions-0

When you find where the x-intercept is located, the y-value is zero! ... To find the x -intercept, you solve the equation using y = 0. To find .... equation; a value of x that makes a function f(x) equal to 0, a zero of a function may be real or imaginary .

www.khanacademy.org/math/algebra/two-var-linear-equations/x-and-y-intercepts/v/x-and-y-intercepts

Sal finds the x and y-intercepts of -5x + 4y = 20. ... Y is always = 0 to find X- intercepts. X is always =0 to .... Well, my y value is 0, I'm not above or below the x- axis.

www2.ccsd.ws/sbfaculty/team8e/jecole/Math/Line%20and%20Slope%20Intercept.htm

Let's ask Joan to graph 2x + y = 6. First, Joan needs to find values of x and y that make this equation true. She decides to let x = 0. Now that Joan has chosen a ...