Question

-7r^2= -329 square root property​

Answer 1

Answer:

This is what I got.

Step-by-step explanation:

Answer 2

9514 1404 393

Answer:

  r = ±√47

Step-by-step explanation:

  -7r^2 = -329 . . . . given

  r^2 = 47 . . . . . divide both sides by -7 (multiplication property of equality)

  r = ±√47 . . . .  square root both sides (square root property of equality)