Completing the Square
x2 - x - 6
(x-3)(x+2)
x = -2, 3
我是哪一年出生的？
1987
What is the standard form of a quadratic equation?
Ax2 + Bx + C
x2 + 5x + 6
(x+3)(x+2)
x = -3, -2
我在哪个国家留学？
Argentina
Complete the Square
x2 - 2x + 6
(x - 1)2 + 5
What is the vertex form of a quadratic equation?
a(x - h)2 + k
(vertex = h, k)
x2 + 8x - 48
x = -12, 4
x2 - 3x - 40
(x-8)(x+5)
x = -5, 8
我的家乡是什么？
Complete the Square
x2 - 7x + 2
(x - 7/2)2 - 41/4
4x2 + 28x - 32
x = -8, 1
x2 + 16x + 63
(x+9)(x+7)
x = -9, -7
Country hangman: _ _ _ _
OMAN
Complete the Square
-4x2 - 2x + 6
-4(x + 1/4)2 + 25/4
-2x2 - 17x - 36
x = -4, -9/2
-x2 + 22x - 117
(-x + 9)(x - 13)
x = 9, 13
US State Hangman: _ _ _ _ _ _ _ _ _ _ _
CONNECTICUT