Solving Quadratics Perfect Squares

Select all solutions for the equation:

x² - 81 =0

• 9

• -9

• 81

• 0

• -81

Select the answers for the following equation:

x² -5x = 36

• 4 and -9

• -4 and 9

• 3 and -12

• -3 and 12

• 6

Which of the following is the factored form of x²-12x + 36

• (x-6)(x-6)

• (x+6)(x+6)

• (x-4)(x-9)

• (x - 3)(x-9)

State one solution when solving the equation:

5x²+40x = 0

State one solution when solving the equation: x² - 7x + 6 = 0

State a solution for the equation: 25x² + 16 = 40x

Select all answers to the equation: x²+5x = 24

• 3

• -3

• 1

• -8

• 8

simplify the expression (2x + 7)²

• 4x + 14

• 4x² + 28x + 49

• 4x² + 14x + 49

• 32x + 49

What is the best method to factor x²+4x+3

• greatest common factor out

• product of two binomials

• difference of two squares

• perfect square trinomial

What is the best method to factor 25x² - 64

• greatest common factor out

• product of two binomials

• difference of two squares

• perfect square trinomial