In a standard Cartesian coordinate plane, there are four quadrants:
- Quadrant I: Both x and y values are positive.
- Quadrant II: x values are negative and y values are positive.
- Quadrant III: Both x and y values are negative.
- Quadrant IV: x values are positive and y values are negative.
The quadrants that have positive x-values are:
- Quadrant I
- Quadrant IV
Therefore, there are 2 quadrants on a coordinate plane that have positive x-values.