Solve: 25x2 − 30 = 0

Round the answer to the nearest hundredth.

x = −1.10 and x = 1.10
x = −26.15 and x = 1.15
x = 0
x = −0.83 and x = 0.83

1 answer

To solve 25x^2 - 30 = 0:

25x^2 - 30 = 0
25x^2 = 30
x^2 = 30/25
x^2 = 1.2
x = ±√1.2
x ≈ ±1.10

Therefore, x = -1.10 and x = 1.10.

The answer is x = -1.10 and x = 1.10, rounded to the nearest hundredth.