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gladu [14]
3 years ago
7

Which of the following linear equations has exactly one solution?

Mathematics
1 answer:
Andrei [34K]3 years ago
3 0
D the answer is because
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Which ordered pair is the best estimate for the solution of the system of equations? y = −1/5x + 1 y = x + 4
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Given system of equation:
y=-1/5x +1 Equation 1
y=x+4 Equation 2
Substitute value of y in equation 2.
x+4=-1/5x+1
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5x+20=-x+5
Add x to both sides
6x+20=5
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6x=-15
x=-15/6
x=-5/2
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Solution is (x,y)= (-5/2 , 3/2)
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