Direction: Using the values of a, b, and c of the each following quadratic equation solve for the sum and product of roots. Check your answer by using the roots of the quadratic equation. Then answer the question below.
1.) x² + 3x - 10=0
Sum of roots:
Product of Roots:
Roots:
2.) x² - 4x - 21 = 0
Sum of roots:
Product of Roots:
Roots:
3.) x² - 6x - 7 = 0
Sum of roots:
Product of Roots:
Roots:
4.) -2x² - 8x + 10 = 0
Sum of roots:
Product of Roots:
Roots:
5. 6x² - 7x + 2 = 0
Sum of roots:
Product of Roots:
Roots:
1.) x² + 3x - 10=0
Sum of roots:
Product of Roots:
Roots:
2.) x² - 4x - 21 = 0
Sum of roots:
Product of Roots:
Roots:
3.) x² - 6x - 7 = 0
Sum of roots:
Product of Roots:
Roots:
4.) -2x² - 8x + 10 = 0
Sum of roots:
Product of Roots:
Roots:
5. 6x² - 7x + 2 = 0
Sum of roots:
Product of Roots:
Roots:
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Answers & Comments
Answer:
1. sum of the roots : -3
product : -10
roots : 2,-5
2. sum : 4
product : -21
roots : 7,-3
3. sum : 6
product : -7
roots : 7,-1
4. sum : -4
product : -5
roots : 1,-5
5. sum : 7/6
product : 1/3
roots : 1/2,2/3
take sum rest after this, have a good night !