Question

Jordan will hike the trail shown at a rate of 4mi/h. Write a linear equation to represent the distance Jordan still has to walk after x hours. What does the y-intercept of the equation represents?

Answer 1

y = -4x + 21

Explanation:

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Answer 2

We are given rate of hike the trail = 4 miles/hour.

Let us assume number of hours Jordan still has to walk = x.

We know, relation among rate, time and distance is given by formula:

Distance = rate × time.

Let us take distance by variable y.

Therefore, we get the equation for distance :

y = 4x.

y-intercept of the equation represents the distance Jordan has walked so far.