Approximating Roots Linearization

Which of the following is the best approximation of $\sqrt{70}$ ?

• 8.4

• 8.7

• 8

• 9

Which of the following is the best approximation of $\sqrt{54}$ ?

• 7.3

• 7.8

• 8

• 7

Which of the following is the best approximation of $\sqrt{45}$ ?

• 6.7

• 6.2

• 6

• 7

Which of the following is the best approximation of $\sqrt{27}$ ?

• 5.2

• 5.7

• 6

• 5

Which point best represents √27?

• point A

• point B

• point C

• point D

• point E

Point B could represent which of the following numbers?

• √24

• √30

• √35

• √42

Estimate the solution(s) of the equation by rounding to the nearest integer(s).

• z = ± 9

• z = 9

• z = -9

• z = ± 10

Point B could represent which of the following numbers?

• √24

• √30

• √35

• √42

represents a root of this function.

• (25,0)

• (0,25)

• (50,0)

• (0,50)

represents a root of this function.

• (25,0)

• (0,25)

• (50,0)

• (0,50)