Special Factor Quadratics

What term must be inserted in the middle to make the expression a perfect square trinomial? 9x² - _____ + 49

Factor a² - 6ab + 9b²

• (a - 3b)²

• (a + 3b)²

• (3a + b)²

• (3a - b)²

Factor: 25x² - 36y²

• 5x + 6y(5x - 6y)

• (5x + 6y) (5x - 6y)

• (5x + 6y)²

• (5x - 6y)²

Which expression is a perfect square trinomial?

• x² + 5x + 25

• x² + 7x + 25

• x² + 8x + 25

• x² + 10x + 25

Which expression is not perfect square trinomial?

• x² + 14x + 49

• x² + 12x + 36

• x² + 20x + 81

• x² + 20x + 100

Which term must be inserted to make the expression 16x² + 80x + _____ a perfect square trinomial?

• 10

• 25

• 81

• 100

Factor 2x² - 20x + 50

• (2x - 5)²

• (x - 5)²

• (x + 5)²

• 2(x - 5)²

Factor x² - 14xy + 49y²

• (x + 7y)²

• (x - 7y)²

• (x + 7)²

• (x - 7)²

Factor: 4x² - 25

• (2x + 5) (2x - 5)

• (2x - 5)²

• (2x + 5)²

• 2x + 5(2x - 5)