Adding and Subtracting Radicals Explained

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What must be the same in order to add radical terms together?

• The exponents

• The radicands

• The variables

• The coefficients

What is the radicand in the term √18?

• 2

• 9

• 18

• 3

When simplifying √18, what number comes out of the radical?

• 6

• 5

• 3

• 2

What is the simplified form of 5√18?

• 5√2

• 20√2

• 15√2

• 10√2

What is the radicand in the term √8?

• 16

• 2

• 4

• 8

When simplifying √8, what number comes out of the radical?

• 3

• 2

• 4

• 5

What is the simplified form of 3√8?

• 9√2

• 6√2

• 3√2

• 12√2

What is the final simplified form of the expression 5√18 + 3√8 - √50?

• 10√2

• 15√2

• 16√2

• 21√2