More Multi-Step Problem Solving Use a problem-solving model to solve each proble

Question

More Multi-Step Problem Solving Use a problem-solving model to solve each proble 17/The table below shows the descent of an 18. blivia is playing a trivia game where you gain airplane. Use the data in the table to find the rate of descent in feet a certain amount of points for each right plane continues to descend at a constant rate. for each wrong answer. Some questions per minute. Assume the answer and lose a certain amount of points Write a multiplication expression that worth 3 points, and some questions are worth represents how far the plane has descended in 7 5 points. Olivia gets four 3-point questions right and three 3-point questions wrong She gets three 5-point questions right and two 5-point questions wrong. How many points Dstance (ht) -1,200 -2.400 3600 -doesshe have? 00 (-1,200)7-8400 feet () (-2,400)7-16800 feet (-1,4007,-9800 feet (-1,371)7;-9,600 feet 19. Jose drives a limousine and he wants to

Explanation / Answer

Ans(1):

we can see that distance decreases by 1200 in each row
take any two points in form of (minutes, distance )
(1,-1200)
(2,-2400)
then slope will be m=(y2-y1)/(x2-x1)
m=(-2400-(-1200))/(2-1)
m=-1200/1
m=-1200

then equation will be y=-1200x where x is number of minutes
given x=7 minutes
then we get distance =-1200*7=-8400
so the choice A is correct.

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