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ash3246
19.09.2019 •
Mathematics
Appreciate for on this! you in advance!
3.several systems of equations are given below.
system 1
y = 6x – 1.5
y = –6x + 1.5
system 2
x + 3y = –6
2x + 6y = 3
system 3
2x –y = 5
6x – 3y = 15
explanations would be !
a.which system of equations is consistent-independent? how many solutions will the system of equations have? explain your answers.
b.which system of equations is consistent-dependent? how many solutions will the system of equations have? explain your answers.
c.which system of equations is inconsistent-independent? how many solutions will the system of equations have? explain your answers.
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Ответ:
dependent means that they have infinite solutions aka they are the same line
consistiant means it has at leas 1 soltuion
inconsistent means tat they do not intersect at all
solve each
1. 6x-1.5=-6x+1.5
12x=3
x=0.25
y=6(0.25)-1.5
y=1.5-1.5
y=0
(1/4,0)
consistant and independent
2.
-2x-6y=12
2x+6y=3 +
0=15
false
independent and inconsistint
3.
if we muliply the first equation by 3, we get that they are the same equation meaning
dependent and consistent
1.C
2. A
3. B
Ответ:
okokok
Step-by-step explanation:
okokok