Christmas Trivia
10.1
10.2
10.3
Vocabulary
100
who stole christmas?
Grinch
100
what would be the first step to solve for x?
(x-1)^2 =16
square root property
100
What would the first step be to completing the square?
x^2 + 6x + 4 = 20
subtract the 4 from both sides
100
What is the a, b, and c values of the equation?
x^2 +4x=10
a = 1, b = 4, and c = -10
100
discriminant
200
Which country was the first to use the tradition of the Christmas tree?
Germany
200
Solve
x^2 = 100
x = 10 and x =-10
200
After subtracting the 4, what would be the next step?
x^2 + 6x + 4 = 20
divide the b value by 2 and square it
200
Use the discriminant to determine the number of real solutions of the equation.
x^2 + 4x -10 = 0
Discriminant: 56
Number of solutions: 2 solutions because 56 > 0
200
the shape of the quadratic function
parabola
300
If there are 365 days in a year, what number day is Christmas Day?
359
300
Solve the equation by using square roots
3x^2 = -12
no real solutions
300
What is the 3rd step of completing the square?
x^2 + 6x + 4 = 20
add the value in the both to both sides!
300
Solve the equation by using the quadratic formula. Provide an exact answer in simplified form.
x^2 -4x = 10
x = 2-root2(14) and x = 2 + root2(14)
300
process of adding a constant c to the expression x2 + bx to make a perfect square trinomial
completing the square
400
How many reindeer pull Santa’s sleigh (including Rudolph)?
9
400
Solve the equation by using square roots.
(x-2)^2 +1 = 10
x = -1 and x = 5
400
Solve by completing the square
x^2 + 6x + 4 = 20
x = -8 and x =2
400
Use the discriminant to determine the number of real solutions of the equation.
8x^2 + 2x +1 = 0
Discriminant: -28
Number of solutions: no real solutions because
-28 < 0
400
for the function f, any number x such that 
(The x coordinate when y = 0)
zeros/solution of a function
500
Which is the first company which used Santa Claus for their advertisement?
Coca-cola
500
Solve the equation by using square roots.
2x^2+4=20
x= -2root2(2) and x=2root2(2)
500
Solve by completing the square: . x(x + 4) = 9
x= -root(2) 13 -2 and x=root2(13) -2
500
A golfer, standing on the third deck at a driving range, hits a golf ball 30 feet above the ground with an initial vertical velocity of 150 feet per second. The function 
represents the height h (in feet) of the golf ball after t seconds.
Find the height of the golf ball after 1 second. Round your answer to the nearest foot
164ft
500
a function written in the form 
, where a, b, and c are real numbers and 
quadratic function