2010004505 | math4u.vsb.cz

SubArea:

Quadratic equations and inequalities

Level:

Project ID:

2010004505

Source Problem:

Accepted:

0

Clonable:

1

Easy:

0

Find all the values of

x

at which the following expression attains negative value.

2 x^{2} - 7 x - 4

x \in (- \frac{1}{2}; 4)

x \in (- \infty; - \frac{1}{2}) \cup (4; \infty)

x \in (- 4; \frac{1}{2})

x \in (- \infty; - 4) \cup (\frac{1}{2}; \infty)

x \in (- 4; - \frac{1}{2})