Approximation of Square Roots

Which of the following is the best approximation of $\sqrt{8}$ ?

• 2.8

• 2.2

• 2

• 3

Which of the following is the best approximation of $\sqrt{2}$ ?

• 1.4

• 1.8

• 2

• 1

Which of the following is the best approximation of $\sqrt{225}$ ?

• 14.8

• 14.3

• 14

• 15

Which of the following is the best approximation of $\sqrt{196}$ ?

• 14.1

• 14.7

• 14

• 15

Which of the following is the best approximation of \(\sqrt{169}\)?

• 13.2

• 13.7

• 14

• 13

Which of the following is the best approximation of $\sqrt{144}$ ?

• 11.2

• 11.8

• 12

• 11

Which is the best estimate of the square root of 63?

• 7.1

• 7.3

• 7.5

• 7.9

Find the best estimate for √18 .
Look at the number line.

• 4.2

• 4.4

• 5.1

• 4

Estimate  √95 .

• 8   14/19

• 9    14/19

• 10    14/19

• 9

Which number is the closest approximation to the value of √15 + √26 ?

• 7

• 9

• 12

• 10