Answer:
Marcus total score = 1 points
Step-by-step explanation:
Given:
Marcus score in the first round = 5 points
Marcus score in the second round = -4 points
Find:
Marcus total score
Computation:
Marcus total score = Marcus score in the first round + Marcus score in the second round
Marcus total score = 5 + (-4)
Marcus total score = 5 - 4
Marcus total score = 1 points
Step-by-step explanation:
y²-y¹/x²-x¹
(-15)-(12)/4-(-2)
-3/6
=-0.5
y=mx+b
12=-0.5(-2)+b
12=1+b
12-1=b
11=b