Four students worked to find an estimate for square root 22. Who is closest to finding the true estimate?
A. Tiffany: "Use square root 16 and square root 25 to estimate."
B. Todd: "I use square root 9 and square root 16."
C. Trenton: "It should be square root 21 and square root 22."
D. Fredrica: "Use square root 25 and square root 36 to get the esimate."
Is the answer A?
posted by Ms. Sue
go back and see how I did the earlier one with linear interpolation. It clearly works best when you pick perfect squares above and below the desired answer.posted by Damon