Concept — Valore assoluto.
Featured in chapters
12·13·17·19·23·27·32·40·41·42
Linked atoms
37 linked atoms.
12 La parabola
- Absolute value of 3x+2 less than 5 (|3x+2| < 5)
- Absolute value of x-2 less than or equal to x+1 (|x-2| ≤ x+1)
- Absolute value of x²-1 greater than or equal to 3 (|x²-1| ≥ 3)
- Equation with two absolute values (|2x-1| = |x+3|)
- Equations with absolute value
- (x-2) ≤ 0)
- Functions with absolute value
- General splitting method
- Inequality with absolute values and squares (|x²-4| > |x-2|)
- Inequality with the absolute value of a trinomial (|x²-5x+6| ≥ 2x-3)
- Inequality with two absolute values by squaring (|x| < |x-1|)
- Intersections between a parabola with an absolute value and a line
- Mixed cases with two absolute values
- Special case - modulus greater than or equal to B(x)
- Special case - modulus less than or equal to B(x)
- Sum of three absolute values less than 4 (|x|+|x-1|+|x-2| < 4)
- Sum of two absolute values less than or equal to 6 (|x-1|+|x+2| ≤ 6)
13 Radicali ed equazioni irrazionali
17 Disequazioni irrazionali
- Application — lines at an assigned distance
- Example — distance in a pencil of lines
- Recognising always-non-negative sums
- Squaring without splitting into cases
- Worked exercise — Root versus absolute value
19 Luoghi geometrici nel piano cartesiano
23 Funzioni, linguaggio e proprietà
27 Metodi unificanti per equazioni e disequazioni
32 Disequazioni goniometriche
- Absolute value of the cosine
- Inequalities with absolute value and roots
- Inequality reducible to the cosine