Fun with Formulas
zero, root & solution
y=x^2+4x+3
(-1,0) and (-3,0)
-x^2-8x-13
(-4,3)
x^2-4x+8
x=2
What popular sweet treat was invented by mistake at the Toll House Inn in 1930?
Chocolate Chip Cookies
How do you find the y-intercept from a quadratic function?
Look at the "c" value.
y=x^2-5x-14
(7,0) and (-2,0)
y=x^2+6x+7
(-3,-2)
x^2-2x-3
x=1
Which pop singer/heartthrob was the subject of Taylor Swift’s song "I Knew You Were Trouble"?
Harry Styles
What is the formula to find the axis of symmetry?
x = (-b)/(2a)
y=x^2-2x-3
(3,0) and (-1,0)
y=-x^2-2x-3
(1,-4)
-x^2-8x-19
x=-4
Which U.S. state is the snowiest, generating over 170 inches of snow every year?
New Hampshire
How do you find the x-intercept(s) of a quadratic function if you do not have a graphing calculator?
Use the quadratic formula.
y=x^2+x-56
(7,0) and (-8,0)
y=-(x-3)^2-2
(3,-2)
-2x^2+4x+1
x=1
What kind of animal is Kuzco transformed into in The Emperor's New Groove?
Llama
What is the quadratic formula?
x=(-b±√b^2-4ac)/(2a)
y = x^2+6x
(-6,0) and (0,0)
y=x^2-6x+12
(3,3)
1/2x^2+4x+7
x=-4
What is the first name of the son of Louis Vuitton who took over the business after he died in 1892?
Hint: This is the same name as someone in this class.
Georges