In a standard Cartesian coordinate plane, there are four quadrants:
- Quadrant I: where both x and y values are positive.
- Quadrant II: where x values are negative and y values are positive.
- Quadrant III: where both x and y values are negative.
- Quadrant IV: where x values are positive and y values are negative.
The quadrants that have positive x-values are Quadrant I and Quadrant IV.
Therefore, the number of quadrants with positive x-values is 2.