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anonymous
 3 years ago
1. y = x + 6
y = 2x (1 point)
(6, 12)
(–12, –6)
(–6, –12)
(2, 4)
2. 3x + 2y = 7
–3x + 11 = y (1 point)
(6, –3)
(6, –7)
(5, –4)
3. 2x – y = –7
4x – y = –4
(–1.5, 4)
(1.5, 10)
(4, –1.5)
(–1.5, –2)
For questions 4–5, how many solutions does the system have?
4. –4y + 4 = x
2x + 8y = 8
one solution
two solutions
infinitely many solutions
no solution
5. 6x + 2 = y
3y – 18x = 12
one solution
two solutions
infinitely many solutions
no solution
anonymous
 3 years ago
1. y = x + 6 y = 2x (1 point) (6, 12) (–12, –6) (–6, –12) (2, 4) 2. 3x + 2y = 7 –3x + 11 = y (1 point) (6, –3) (6, –7) (5, –4) 3. 2x – y = –7 4x – y = –4 (–1.5, 4) (1.5, 10) (4, –1.5) (–1.5, –2) For questions 4–5, how many solutions does the system have? 4. –4y + 4 = x 2x + 8y = 8 one solution two solutions infinitely many solutions no solution 5. 6x + 2 = y 3y – 18x = 12 one solution two solutions infinitely many solutions no solution

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0For questions 1–3, what is the solution of the system? Use substitution. For questions 4–5, how many solutions does the system have?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0for 13, substitute y=2x into first equation. 2x=x+6 2xx=6 x=6 substitute x=6 into 2nd equation y=2x y=2*6 =12 (6.12)
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