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3. Consider the system { 9x – 12y = b

3x – 4y = 10
For what value of b will the system have infinitely many solutions?

User Yisel
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2 Answers

6 votes

Answer:

b = 30

Explanation:

all terms in the first equation will be three times the related terms in the second equation.

Then the two equation describe the same infinite line and any x,y pair that fits on one line will also fit on the other.

User Lakshya Raj
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2 votes

Answer:

B=30

Explanation:

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User Alexander Chertov
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