Exploring Squares, Square Roots, and Cubes

The video tutorial covers the concepts of squaring and cubing numbers, including their roots and how to solve equations involving these operations. It explains the difference between squaring and cubing, the role of exponents, and how to handle negative numbers. The tutorial also introduces perfect squares and cubes, and demonstrates solving equations using square and cube roots.

What does it mean to square a number?

• Multiply the number by two

• Add the number to itself

• Divide the number by two

• Multiply the number by itself

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CCSS.8.EE.A.2

If you square the number 5, what result do you get?

• 10

• 15

• 20

• 25

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CCSS.8.EE.A.2

What is the term for the number under the square root symbol?

• Exponent

• Radicand

• Base

• Imaginary number

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CCSS.8.NS.A.1

What is the square root of 25?

• 3

• 6

• 4

• 5

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CCSS.8.EE.A.2

What is the imaginary number used to represent the square root of a negative number?

• i

• j

• k

• n

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CCSS.HSN.CN.A.1

Which of the following is a perfect square?

• 20

• 30

• 25

• 35

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CCSS.8.EE.A.2

What is the cube of 3?

• 9

• 18

• 27

• 36

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CCSS.8.EE.A.2

What is the cube root of 64?

• 5

• 2

• 3

• 4

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CCSS.8.EE.A.2

When solving the equation x^2 = 36, what are the possible values of x?

• 6 and -1

• 6 and 1

• 6 and 0

• 6 and -6

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CCSS.8.EE.A.2

What is the first step in solving the equation x^3 = 216?

• Square both sides

• Take the cube root of both sides

• Add 2 to both sides

• Subtract 2 from both sides