Question 127

In the xy coordinate system, if (a, b) and (a + 3, b + k) are two points on the line defined
by the equation x = 3y - 7, then k = ?

Solution

In the xy coordinate system, if (a, b) and (a + 3, b + k) are two points on the line defined by the equation x = 3y - 7, then they must satisfy the equation .
so , we get a = 3b - 7
and a+3 = 3(b+k) - 7
On solving these equations , we get k = 1

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In the xy­ coordinate system, if (a, b) and (a + 3, b + k) are two points on the line definedby the equation x = 3y - 7, then k = ?

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In the xy coordinate system, if (a, b) and (a + 3, b + k) are two points on the line defined
by the equation x = 3y - 7, then k = ?