108k views
2 votes
Solve: 16x2 − 80 = 0 Round the answer to the nearest hundredth.

2 Answers

1 vote

Answer:

x = −2.24 and x = 2.24

Explanation:

To solve, you can use the quadratic formula.

The guy above is correct.

Hope this helps!

User Mihai Potra
by
5.1k points
4 votes

Answer:

x = ±2.24

Explanation:

16x² - 80 = 0

16x² = 80 (Add 80)

x² = 5 (Divide by 16)

x = ±√5 (Square root both sides)

≈ 2.24, -2.24

User Konrad Talik
by
5.2k points
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