Answered: 1 When solved graphically, which system…

1 When solved graphically, which system of equations will have exactly one point of intersection? 1) y=-x- 20 y =x+17 2) y= 0.5x+ 30 y = 0.5x – 30 3) y =x+12 y = 0.6x – 19 4) y=-x + 15 y =-x+25

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter8: Linear Functions

Section: Chapter Questions

Problem 6CST

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Question

When solved graphically, which system of
equations will have exactly one point of
intersection?
1) y=-x- 20
y=x+17
2) y=0.5x +30
y = 0.5x – 30
3
3) y=x+12
-
y = 0.6x – 19
4) y=-x+15
-
y =-x+25

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