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India
Class IX

Practical Linear Relationships

Interactive practice questions

The points show the relationship between water temperatures and surface air temperatures.

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a

Complete the table of values:

Water Temperature (°C) $-3$3 $-2$2 $-1$1 $0$0 $1$1 $2$2 $3$3
Surface Air Temperature (°C) $\editable{}$ $\editable{}$ $\editable{}$ $\editable{}$ $\editable{}$ $\editable{}$ $\editable{}$
b

Continue the pattern in the table to determine the surface air temperature when the water temperature is $4$4 °C.

c

What would be the surface air temperature when the water temperature is $14$14 °C?

Easy
3min

Amy is gathering data on the growth of her plant. This is the data she has collected so far.

Easy
4min

Justin is looking into the details of his mobile phone plan. He knows the costs for several call lengths.

Easy
8min
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Outcomes

9.CG.CG.1

The Cartesian plane, coordinates of a point, names and terms associated with the coordinate plane, notations, plotting points in the plane, graph of linear equations as examples; focus on linear equations of the type ax + by + c = 0 by writing it as y =mx + c and linking with the chapter on linear equations in two variables.

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