The ratio of X's to O's is 15 over 10. . Use the image below to determine another ratio for X's to O's:
2 answers:
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Answer:
Step-by-step explanation:
The given expression is .
The technique that can be used to factor this polynomial is the difference of two squares.
We rewrite the two expressions as;
Recall that;
Answer: y=0,5x²-x-1,5.
Step-by-step explanation:
We summarize (1) and (3):
Substitute b=-1 into (2):
From (5) subtract (4):
Substitute a=0,5 into (4):
Hense:
y=0,5x²-x-1,5.