Question

При каких значениях a выражение 2a+9 принимает отрицательные значения

Answer 1

2a+9<0
a<-4.5
Ответ: a∈(-∞; -4.5)

Answer 2

Values of a for the Expression 2a + 9 to Take Negative Values

The expression 2a + 9 will take on negative values when the value of a is less than -4.5.

This can be determined by solving the inequality 2a + 9 < 0: - Subtract 9 from both sides: 2a < -9 - Divide by 2: a < -4.5

Therefore, for the expression 2a + 9 to take negative values, the value of a must be less than -4.5.

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