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andreyandreev [35.5K]
3 years ago
12

4. The equation of the line on the graph below is a direct variation equation. What is the constant of variation?

Mathematics
1 answer:
choli [55]3 years ago
3 0

\frac{1}{4} → a

the equation is y = mx ( where m is the slope / constant of variation )

calculate m using the gradient formula

m = ( y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁) = (0, 0 ) and (x₂, y₂ ) = (4, 1) ← 2 points on the line

m = \frac{1-0}{4-0} = \frac{1}{4}


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