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y-intercept

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...

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 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.

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 - Integrated Publishing

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 ...

Drawing the graph of a straight line - A complete course in algebra

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 ...

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  ...

Graphing using intercepts (old) | Khan Academy

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

An old video of Sal where he draws the line y=3x-9 by finding its x- and y- intercetps.

Linear equations in the coordinate plane (Algebra 1, Visualizing ...

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

When choosing your points try to include both positive and negative values as well ... The x-intercept is found by finding the value of x when y = 0, (x, 0), and the  ...

Graphing Equations and Inequalities - Slope and y-intercept - In Depth

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 ...

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x- and y-Intercepts - Purplemath

www.purplemath.com

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 Lines - AlgebraLAB

www.algebralab.org

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 ...

View Resource: Determining Intercepts and Zeros of Linear ...

www.texasgateway.org

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 and to find the y-intercept, you ...