Answer:
1. 10x² + 4x = 0
a= 10 b=4 c=0
not complete
2. 9x² + 16x= 0
a= 9 b=16 c=0
3. 3x² + 9x - 2= 0
a= 3 b=9 c=-2
complete
4. x² - 3x - 8= 0
a= 1 b=-3 c=-8
5. x² - 4x + 5= 0
a= 1 b=-4 c=5
6. x² - 27= 0
a= 1 b=0 c=-27
7. 2x²
a= 2 b=0 c=0
8. 2x² + 12x + 13= 0
a= 2 b=12 c=13
9. x² - 6x - 7= 0
a= 1 b=-6 c=-7
10. 4x² - 8x + 1= 0
a= 4 b=-8 c=1
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Answers & Comments
Answer:
1. 10x² + 4x = 0
a= 10 b=4 c=0
not complete
2. 9x² + 16x= 0
a= 9 b=16 c=0
not complete
3. 3x² + 9x - 2= 0
a= 3 b=9 c=-2
complete
4. x² - 3x - 8= 0
a= 1 b=-3 c=-8
complete
5. x² - 4x + 5= 0
a= 1 b=-4 c=5
complete
6. x² - 27= 0
a= 1 b=0 c=-27
not complete
7. 2x²
a= 2 b=0 c=0
not complete
8. 2x² + 12x + 13= 0
a= 2 b=12 c=13
complete
9. x² - 6x - 7= 0
a= 1 b=-6 c=-7
complete
10. 4x² - 8x + 1= 0
a= 4 b=-8 c=1
complete