Special Case Polynomials Quiz

What is the result of multiplying (a+b) by (a-b)?

• a^2 + b^2

• a^2 - b^2

• a^2 + 2ab + b^2

• a^2 - 2ab + b^2

If a = x and b = 5, what is the result of (a+b)(a-b)?

• x^2 + 10x + 25

• x^2 + 25

• x^2 - 25

• x^2 - 10x + 25

What is the expanded form of (a-b)^2?

• a^2 + 2ab + b^2

• a^2 - b^2

• a^2 + b^2

• a^2 - 2ab + b^2

If a = p and b = 1, what is the result of (a-b)^2?

• p^2 - 2p + 1

• p^2 + 1

• p^2 + 2p + 1

• p^2 - 1

What is the expanded form of (a+b)^2?

• a^2 + b^2

• a^2 - 2ab + b^2

• a^2 + 2ab + b^2

• a^2 - b^2

If a = n and b = 3, what is the result of (a+b)^2?

• n^2 + 9

• n^2 - 6n + 9

• n^2 + 6n + 9

• n^2 - 9

What is the result of (2k^2 + 1)^2?

• 4k^4 - 1

• 4k^4 + 1

• 4k^4 - 4k^2 + 1

• 4k^4 + 4k^2 + 1

What is the result of (8a^2 + 4)(8a^2 - 4)?

• 64a^4 - 32a^2

• 64a^4 + 32a^2

• 64a^4 - 16

• 64a^4 + 16

What is the result of (3x - 7)(3x + 7)?

• 9x^2 - 42x + 49

• 9x^2 + 42x + 49

• 9x^2 - 49

• 9x^2 + 49

What is the result of (2 + 5n^2)^2?

• 4 - 25n^4

• 4 - 20n^2 + 25n^4

• 4 + 25n^4

• 4 + 20n^2 + 25n^4