Question

Classify the figure. Identify its vertices, edges and bases.
Write the direct variation function given that y varies directly with x, and y = 1.5 when x = 5.
1. x = 0.3y
2. y = 0.3x
3. y = 3x
4. y = 0.25x

Answer 1

The direct variation function is y = 0.3x

How to determine the direct variation function?

The direct variation from y to x is represented as:

y = kx

When y = 1.5 and x = 5, we have

1.5 = 5k

Divide by 5

k = 0.3

Substitute k = 0.3 in y = kx

y = 0.3x

Hence, the direct variation function is y = 0.3x

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