Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 6 - Systems of Equations and Inequalities - 6-3 Solving Systems Using Elimination - Standardized Test Prep - Page 380: 46


the y intercept is (0,3)

Work Step by Step

Our equation that we are trying to find the y-intercept of is: 2x+5y=15 The question asks to find the y intercept. We know that in the y-intercept, the x-coodinate is always zero because that is the only way the point will lie on the y-axis. So we can substitute 0 for x in the equation and solve for y. 2(0)+5y=15 0+5y=15 5y=15 Now divide both sides of the equation by 5. y=3 So now that we know the x coordinate of the y-intercept and the y coordinate of the y-intercept, we know our ordered pair which is: (0,3)
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