Question

A) -0,15x² + 0,6 = 0​

Answer 1

Ответ:

-2; 2

Пошаговое объяснение:

-0,15х² + 0,6 = 0

-0,15х² = -0,6

х² = -0,6 : (-0,15)

х² = 4

х = ± 2

Answer 2

To solve the quadratic equation -0.15x² + 0.6 = 0, you can use the quadratic formula. The quadratic formula is given by:

x = (-b ± √(b² - 4ac)) / (2a)

In this case, the equation is in the form ax² + bx + c = 0, where a = -0.15, b = 0, and c = 0.6. Substituting these values into the quadratic formula, we have:

x = (-0 ± √(0² - 4*(-0.15)0.6)) / (2(-0.15))

Simplifying further:

x = (± √(0 - 4*(-0.15)*0.6)) / (-0.3)

x = (± √(0 + 0.36)) / (-0.3)

x = (± √0.36) / (-0.3)

x = ±0.6 / (-0.3)

x = ±2

Therefore, the solutions to the quadratic equation -0.15x² + 0.6 = 0 are x = 2 and x = -2.