10
QuizMultiple Choice
Slope-Intercept Form
Question 10 • Modern Math KHS
A plane is on its approach to land on the runway. The jet’s height above the ground is given in feet as a function of the time in seconds. The following table tracks the plane as it lands: t (in seconds) h (in feet) 0 4000 5 3500 10 3000 15 2500 20 2000 25 1500 Is this function linear? If it is, what is the slope? Use the formula .
Answer
A
No, this is not a linear function.B
Yes, this function is linear; the slope is 500 feet/second.C
Yes, this function is linear; the slope is 100 feet/second.D
Yes, this function is linear; the slope is -100 feet/second.