Answer:
1. a
2. d
3. b
4. c
Explanation:
Pay close attention to the slopes you're given for each situation. Remember that slope = (change in y)/(change in x). Think about it by counting the squares, that might help. For example, a slope of 5/4 would go up 5 squares and over 4 squares to go from point to point, such as the one seen on graph D.
All you need to do is look at the slope.
Graph A: Rise/Run = 1/4 == a
Graph B: Rise/Run = 2/1 = 2 == d
Graph C: Rise/Run = 3/1 = 3 == b
Graph D: Rise/Run = 5/4 == c
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