Topics
Numbers and Rational Numbers
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India
Class IX

Proportional Relationships as Equations

Lesson
Practice

Interactive practice questions

Frank serves $8$8 cups of coffee every $9$9 minutes.

Using $y$y for the number of cups of coffee, and $x$x for the amount of minutes that have passed, write an equation where $y$y is the subject that represents this proportional relationship.

Easy
1min

For every $6$6 minutes that Emma runs, she covers $852$852 meters.

Easy
1min

The amount of yellow and red paint needed to make 'sunset orange' is shown in the graph.

Easy
1min

The amount of white and red paint needed to make 'flamingo pink' is shown in the graph.

Easy
1min
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Outcomes

9.A.LETV.1

Recall of linear equations in one variable. Introduction to the equation in two variables. Prove that a linear equation in two variables has infinitely many solutions, and justify their being written as ordered pairs of real numbers, plotting them and showing that they seem to lie on a line.

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