same 3. Graph lines I and k line l: 2x + 4 = 0 line k; 2x + 5y = -15 (+ show at least 3 accurately-plotted points) on the coordinate plane.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.5: Multiplication With The Addition-or-subtraction Method
Problem 36WE
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Can you please explain how they got these answers and points? Step by step so I could get down the concept for a similar problem.

t
Use a
piece of
graph paper
if you
prefer.)
F
ti
3. Graph lines I and k
line l ; 2x + 4 = 0
-10 -9 -8
2x+40
2x = -4
line k : 2x + 5y
2x+ 5y = -15
k: 5y = -2/x -IS
-2
y=-=//x-3₁
X
x = +40-2
-7
-6 -5
line I
↑
-4 -3 -2 -1
= -15 (< show at least 3
accurately - plotted.
9
8
구
6
54
4
دیا
3
ty
2
---14-
-2
-3
-4+
-5
-6
-8
-7
-9 +
on the coordinate plane.
same.
17
1 2
3
4
5
6
7
points)
8 9
line
k
PC
10
Transcribed Image Text:t Use a piece of graph paper if you prefer.) F ti 3. Graph lines I and k line l ; 2x + 4 = 0 -10 -9 -8 2x+40 2x = -4 line k : 2x + 5y 2x+ 5y = -15 k: 5y = -2/x -IS -2 y=-=//x-3₁ X x = +40-2 -7 -6 -5 line I ↑ -4 -3 -2 -1 = -15 (< show at least 3 accurately - plotted. 9 8 구 6 54 4 دیا 3 ty 2 ---14- -2 -3 -4+ -5 -6 -8 -7 -9 + on the coordinate plane. same. 17 1 2 3 4 5 6 7 points) 8 9 line k PC 10
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