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y-intercept - Wikipedia

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...

X- and Y- Intercepts - West Texas A&M University

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.

x- and y-Intercepts - Purplemath

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 ...

Intercepts of Linear Equations

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.

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

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  ...

Intercepts of Lines - AlgebraLAB

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 ...

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

www.freemathhelp.com/forum/threads/49933-Finding-X-and-Y-Intercepts-w-Absolute-Value-y-x-5

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

Graphing using intercepts (old) (video) | Khan Academy

www.khanacademy.org/math/algebra-home/alg-linear-eq-func/alg-x-and-y-intercepts/v/graphing-using-x-and-y-intercepts

So this means, literally, that y is 0. So we need to find the x-value defined by this relationship when y is equal to 0. Similarly, when we talk about the y-intercept, ...

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

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  ...

Parabola Intercepts. How to find the x intercept and y intercept

www.mathwarehouse.com/geometry/parabola/parabola-intercepts.php

Since the y-intercept marks the point where x =0, all that you have to do is ... the x and y intercepts of a parabola and its graph by changing the values of a,b and c ... A square is a rectangle but a rectangle is not a square. TRUE. FALSE. 1. 2. 3.