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Maths CBSE Live product
Class 9 (2026-27)
Introduction to Linear Polynomials
Slope, Intercept, and Graphing Linear Equations
9.
AR - Slope, Intercept and graph of linear equation
Question:
1
m.
Assertion(A):
The graphs \(y = 8x + 4\) and \(y = 8x - 9\) are perpendicular lines.
Reason(R):
Two lines are perpendicular when the product of their slopes is \(-1\).
Both A and R are true, and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
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