babytyrus babytyrus

26-01-2015
Mathematics

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a linear system with no solution consists of the equation y=4x-3 and a second equation of the form y=mx+b. what can you say about the value of m and b ? explain your reasoning

Answer :

thisisbenmanley thisisbenmanley

26-01-2015

The value of m must be 4 and the value of b must NOT be -3.

No matter what numbers they involve, two equations with the SAME slope (m) and a DIFFERENT y-intercept (b) have no solution. This is because they form parallel lines, never crossing and therefore never giving a solution.

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