Two friends argue over who brushes their teeth more often. To settle the argument, they keep track of the number of mornings and
nights they brush and calculate a probability. These are shown in the table.
2 answers:
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Answer:
x = 5 +- √17
Step-by-step explanation:
0 = -x^2 + 10x - 8
-(-x^2 + 10x - 8) = 0
Now do the quadratic formula with x^2 - 10x + 8 = 0
a = 1
b = -10
c = 8