Exploring Unit 5 Sections 5 & 6 Concepts

What is the simplified form of X + X?

• X^2

• 2X

• X + 2

• 2 + X

Why do we prefer to leave the square root of 2 in its radical form?

• Because it is an irrational number and does not repeat

• Because it is a rational number

• Because it is a whole number

• Because it is easier to calculate

What is the prime factorization of 18?

• 3 x 3 x 3

• 2 x 3 x 3

• 2 x 3^2

• 2 x 2 x 3

How do you simplify the square root of 18?

• By dividing by 2

• By multiplying by 3

• By breaking it into prime factors

• By adding 2

What is the simplified form of -6√2 + 2√2?

• 8√2

• 4√2

• -8√2

• -4√2

What is the prime factorization of 500?

• 5^3 x 2^3

• 5^2 x 2^3

• 5^3 x 2^2

• 5^2 x 2^2

What is the result of multiplying 4√2 x 3√5?

• 7√10

• 12√10

• 12√7

• 7√12

What is the simplified form of -8 x -2 x √5 x √5?

• 16

• 64

• 80

• 40

What does the FOIL method stand for?

• First, Outer, Inside, Last

• First, Outer, Inner, Last

• First, Outer, Inside, Least

• First, Outer, Inner, Least

What is the area of a square with side length 8 - √10?

• 64 + 16√10

• 64 - 16√10

• 74 + 16√10

• 74 - 16√10