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WEEK 2-DAY 1
dentify the roots of the following quadratic equations by extracting the root.
1. x² = 4
2. x²-16
3. x2-25=0
4. x²-36-0
5. x²-49=0


Sagot :

Answer:

1. X= ±2

2. X= ±4

3. X=±5

4. X=±6

5. X=±7

Step-by-step explanation:

The answer is all ± because the root of the square could be positive and negative.