Answer:
9. Standard form: x²-7x+1=0
a=1, b=-7,c=1
11. 9x²-5x+5=0
a=9,b=-5,c=5
12.13x²-8=0
a=13,b=-8, c=_
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Answers & Comments
Answer:
9. Standard form: x²-7x+1=0
a=1, b=-7,c=1
11. 9x²-5x+5=0
a=9,b=-5,c=5
12.13x²-8=0
a=13,b=-8, c=_