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29.06.2019 •
Mathematics
Solve the system by substitution. y=x^2+4x+1 y=x+1 a. (1,,6) b. (-1./2,5,2) c. (0,,-2) d. (3,,2)
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Ответ:
c.
step-by-step explanation:
substitution for (0,1)
y=x^2+4x+1
1=0^2+4(x)0+1
1=0+4(x)0+1
1=4(x)0+1
1=0+1
1=1
substitution for (-3,-2)
y=x+1
-2=-3+1
-2=-2
Ответ:
b
Step-by-step explanation: