Look at each graph problem and determine if the rate of change is positive, negative, or zero.

ne: tions: Look at each graphed word problem. Determine if the rate of change is positive, negative, or zero. Date: "Mark has $2 in his bank account. He earned $1 each hour." "Mark has $10 in his bank account. He spent $2 each hour." y = x+ 2 y = -2x + 10 Dollar Hours 10 Hours positive negative zero positive negative zero "Mark has $5 in his bank account. He "Mark has $0 in his bank account. oes not spend any money for 10 days" He earned $2 each hour." y =5 y = x + 2 Dollars 10 10 Hours Days positive positive negative zero negative zero CORE