Quadratic Equations and Inequalities
Quadratic Inequalities I
Submitted by michaela.bailova on Mon, 12/11/2023 - 16:57Roots of Quadratic Equations
Submitted by michaela.bailova on Fri, 10/20/2023 - 19:09Quadratic Trinomial Factorization
Submitted by michaela.bailova on Fri, 10/20/2023 - 18:382010007905
Level:
B
Find all \(x\) such that the expression \( 2x^2+8\) is negative.
No such \(x\)
exists.
\(x\in \mathbb{R}\)
\(x\in (-2;2)\)
\(x\in (-\infty ;-2)\cup (2;+\infty )\)
2010007904
Level:
B
Find out, how many integer solutions the following inequality has.
\[
x^{2} + 3x - 1 \leq 0
\]
More than three integer solutions.
Three integer solutions.
Less than three integer solutions.