Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

kell1170

  • 2 years ago

Determine which of the following point(s) lie on the graph y= square root of x+2 a. (-6,4) b. (7,-3) c. a&b d. neither

  • This Question is Closed
  1. math>philosophy
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[y = \sqrt{x + 2}\]Just plug in the coordinate choices with their respective variables

  2. Jusaquikie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    like he said, the numbers are coordinates (x,y) so \[4=\sqrt{-6+2}\] this is square root of -4 which is imaginary \[-3=\sqrt{7+2}\] this is 3 not negative 3 so this one is a no so i would go with D none of the above

  3. skullpatrol
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1353719389120:dw|

  4. skullpatrol
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1353720294821:dw|