This relation is an inverse variation. {(–1, 8), (4, –2), (–2, 4)} Which equation represents this relation?

Step-by-step explanation:

Given

Inverse Variation:

Required

Determine the equation of the relation

An inverse relation is represented as:

Where k = constant of variation

Make k the subject:

When x = -1, y = 8

So, we have:

When x = 4, y = -2

When x = -2, y = 4

From above calculations, we've established that:

Substitute -8 for k in

Hence, the equation is:

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step-by-step explanati∵∵∴∴on:

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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