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Express x in terms of y, it is being giventhat 7x-3y = 15. Check if the linerepresented by the equation intersectsthe y-axis at y = -5.(CBSE 2012) |
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Answer» we can represent equation in terms of x in y 7x-3y=15x=(15-3y)/7if it intersect y axis at 5 that means equation must satisfies this ordered pair(0,-5)LHS7(0)-3(-5)15RHS15LHS=RHSthis shows that it intersect at y=-5 |
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