The water level of a river is 170 feet. The river recedes 4 feet each year. Ingrid claims that the equation that represents this

Question

nekit [7.7K]

3 years ago

10

The water level of a river is 170 feet. The river recedes 4 feet each year. Ingrid claims that the equation that represents this

scenario is y = 170x – 4. Is her equation correct? Explain

Mathematics

2 answers:

Vladimir [108] · Answer 1 · 2022-01-07T03:13:39+03:00

Sample Answer: No, Ingrid is incorrect. The initial value in the scenario is 170 feet, which represents the y − intercept. Receding 4 feet in the scenario represents the rate of change, which is the slope. In slope-intercept form, y = mx + b, where m represents slope and b represents the y−intercept, so the correct equation is y = −4x + 170.

biley · Answer 2 · 2022-10-07T11:34:34+03:00

biley2 years ago

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biley

2 years ago

No, Ingrid is incorrect. The initial value in the scenario is 170 feet, which represents the y − intercept. Receding 4 feet in the scenario represents the rate of change, which is the slope. In slope-intercept form, y = mx + b, where m represents slope and b represents the y−intercept, so the correct equation is y = −4x + 170.