Solving Linear Equations
Multiply following factors (x + 2)(x + 4)
x^2 + 6x + 8
The form that's best for finding the y-intercept.
What is standard form?
“You’ll shoot your eye out, kid.”
A Christmas Story (The Mall Santa)
x^2 - 9x + 18 = 0
x = 6 or x =3
Factor the following: x^2 + 12x + 35
(x + 7)(x + 5)
The axis of symmetry of y=3x2+4x+5
What is x=-2/3
“The best way to spread Christmas Cheer is singing loud for all to hear.”
Elf (Buddy the Elf)
Solve 3x^2 = 48
What is x = 4 and x = -4
(-2x + 5)(5x - 1)
-10x^2 + 27x - 5
The 3 METHODS for solving quadratics.
What is Graphing, Quadratic Formula, and Factoring?
“Rudolph with your nose so bright, won’t you guide my sleigh tonight?”
Rudolph the Red-Nosed Reindeer (Santa Claus)
m + 3(m - 1) = 2(m - 3)
What is m = -3/2?
2(x + 2)^2 - 4 = 28
What is x = -6 and x = 2
3x^2 + 6x - 24
3(x - 2)(x + 4)
The standard form of a quadratic if the
x-intercepts: (2, 0), and (-3, 0)
y-intercepts: (0, -12)
y=2x2+2x-12
“Seeing is believing, but sometimes the most real things in the world are the things we can’t see.”
The Polar Express (The Conductor)
2x/3 + x/6 = 5
What is x = 6
(x + 3)^2 = 7
What is x = -3 + sqrt(7) and x = -3 - sqrt(7)
42 - 8x - 2x^2
-2(x + 7)(x - 3)
The standard form of the function:
y=2(x-4)2+5
What is y=2x2-16x+37
“I never thought it was such a bad little tree. It’s not bad at all, really. Maybe it just needs a little love.”
A Charlie Brown Christmas (Linus)