Question

Distance between (x,a) and (x,-b) is ____ units.

• A. | x - b |
• B. | a + b |
• C. | x - a |
• D. | a - b |

Answer 1

The correct option is B | a + b |

The distance between the points with same x-coordinate is given by the absolute difference between their y-coordinates.

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> ∴ Distance = | a - (-b) | = | a + b | units