Answer:
a) -3 b) -13 c) 60 d) 3/10 e) -112
Step-by-step explanation:
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Answer:
B 1 1/7
Step-by-step explanation:
- 9 2/7 - ( -10 3/7)
We know subtracting a negative is like adding
- 9 2/7 +10 3/7
10 3/7 - 9 2/7
Putting this vertical
10 3/7
-9 2/7
-----------------
1 1/7
You can multiply it out to get
... 3x² - 9x + 6
and you can write it in vertex form as
... 3(x -3/2)² -3/4
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