Roots and Their Calculations

This video tutorial demonstrates how to evaluate radicals using the TI-84 graphing calculator. It covers calculating square roots, cube roots, and fourth roots, with instructions on rounding results to four decimal places. The tutorial includes step-by-step guidance on accessing the necessary functions on the calculator and verifying results.

What is the square root of 144?

• 10

• 11

• 12

• 13

Tags

CCSS.8.EE.A.2

Which key combination is used to access the square root function on the TI-84 calculator?

• Alpha + x²

• 2nd + Math

• Math + 4

• 2nd + x²

Tags

CCSS.8.NS.A.2

What is the approximate value of the square root of 259 rounded to four decimal places?

• 16.0937

• 16.0935

• 16.0934

• 16.0936

Tags

CCSS.8.EE.A.2

How do you verify the square root of 259 on the calculator?

• Cube 259

• Cube 16.0935

• Square 259

• Square 16.0935

Tags

CCSS.8.EE.A.2

What is the cube root of 343?

• 8

• 7

• 6

• 5

Which option in the Math menu is used for cube roots on the TI-84?

• Option 6

• Option 4

• Option 5

• Option 3

Tags

CCSS.8.EE.A.2

What is the approximate value of the cube root of 529 rounded to four decimal places?

• 8.0878

• 8.0876

• 8.0875

• 8.0877

Tags

CCSS.8.EE.A.2

How do you verify the cube root of 529 on the calculator?

• Square 529

• Square 8.0876

• Cube 8.0876

• Cube 529

What is the fourth root of 81?

• 2

• 3

• 4

• 5

What is the approximate value of the fourth root of 186 rounded to four decimal places?

• 3.6929

• 3.6931

• 3.6930

• 3.6932