3 years ago

Pleaseeee pleaseee help mee with precal...One root of 2x2 + 8x + c = 0 is r1 = 1 + √5. Find r2.

2 answers:

6 0

If a root is a+√b then another is a-√b because of quadatic formula

r2=1-√5

5 0

R2=1-√5 is the correct answer hope this helped

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