What Ghostly About a Dead Rattle Snake?
Determine the sum and product of the roots of each equation and write the word above the answer.
1. After 5x²-8x+3=0
2. can x²+2x-3=0
3. eat x²-1=0
4. still x²-2x+1=0
5. rats x²-2x+1=5
6. it 3x²=7+2x
7. Attack x²+4x+4=0
8. death -x²+4x+4=0
9. scres x²-4=0
10. an x²=6x-9
11. it's x²-4x=21
12. hour 3x²-7x+2=0
Answers
Given : 1. After 5x²-8x+3=0
2. can x²+2x-3=0
3. eat x²-1=0
4. still x²-2x+1=0
5. rats x²-2x+1=5
6. it 3x²=7+2x
7. Attack x²+4x+4=0
8. death -x²+4x+4=0
9. scres x²-4=0
10. an x²=6x-9
11. it's x²-4x=21
12. hour 3x²-7x+2=0
To Find : sum and product of the roots of each equation
Solution :
ax² + bx + c = 0
Sum of roots = - b/a
Product of roots = c/a
5x²-8x+3=0
Sum of roots = 8/5
Product of roots = 3/5
x²+2x-3=0
Sum of roots = -2
Product of roots = -3
x² - 1 = 0
=> x² + 0.x - 1 = 0
Sum of roots = 0
Product of roots = -1
x²-2x+1=0
Sum of roots = 2
Product of roots = 1
x²-2x+1=5
=> x²-2x - 4 = 0
Sum of roots = 2
Product of roots = -4
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