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Maths CBSE Live product
Class 9 (2026-27)
Introduction to Linear Polynomials
Slope, Intercept, and Graphing Linear Equations
2.
Determine the rate of change
Question:
2
m.
A line has equation \(y = \frac{5}{7}x - 5\). What is the rate of change of this line, and what does it mean in terms of how the graph changes as \(x\)
increases
?
Rate of change \(= \frac{5}{7}\), which means the graph goes left \(\frac{5}{7}\) units for each \(1\) unit increase in \(x\).
Rate of change \(= \frac{5}{7}\), which means the graph goes down \(\frac{5}{7}\) units for each \(1\) unit increase in \(x\).
Rate of change \(= \frac{5}{7}\), which means the graph goes up \(\frac{5}{7}\) units for each \(1\) unit increase in \(x\).
Rate of change \(= \frac{5}{7}\), which means the graph goes right \(\frac{5}{7}\) units for each \(1\) unit increase in \(x\).
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