All the worked exercises of the chapter, in order of appearance in the book: a maximum problem solved with the parabola, an intersection between a parabola with an absolute value and a line, and a collection of equations and inequalities with one or two absolute values.
- Rectangle of maximum area in a semicircle
- Intersections between a parabola with an absolute value and a line
- Inequality with two absolute values by squaring
- Sum of two absolute values less than or equal to 6
- Equation with two absolute values
- Inequality with absolute values and squares
- Sum of three absolute values less than 4
- Absolute value of 3x+2 less than 5
- Absolute value of x²−1 greater than or equal to 3
- Absolute value of x−2 less than or equal to x+1
- Inequality with the absolute value of a trinomial
- Fractional inequality with an absolute value