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-4 and 8 [3] what is the common difference
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Sagot :

Answer:

Step-by-step explanation:

Calculating the Common Difference

To find the common difference of an arithmetic sequence, we subtract the first term from the second term. Given the terms -4 and 8, we can calculate the common difference as follows:

d=a2−a1=8−(−4)=8+4=12

​Thus, the common difference is 12.​

This calculation aligns with the definition that in an arithmetic sequence, the common difference is constant between any two consecutive terms.

solve the following quadratic equation by completing the square x² - 8x+13=0

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