Question

You might need:CalculatorHiro painted his room. After 3 hours of painting at a rate of 8 square meters per hour, he had 28 squaremeters left to paint.Let y represent the area (in square meters) left to paint after chours.Which of the following information about the graph of the relationship is given?

Answer 1

The graph is that of area painted against the number of hours. Given that he painted 8 square meters per hour, the slope is 8 square meters per hour because slope is known as unit rate.

After 3 hours of painting, he would have painted 8*3 = 24 square meters.

Since he has 28 meters left to paint, it means that the total rea of the room that