Complex Numbers
Solving
Graphing
Random Quadratics Stuff
Class Trivia
100
(4+6i)+(11-5i)
15+i
100
Solve for x:
x^2-4=12
x=4 and -4
100
What is the vertex of the function?
f(x)=2(x+4)^2-11
(-4,-11)
100
Name the three different forms of quadratics
Vertex Form, Intercept Form (or factored form), and Standard Form
100
What kind of pet does Sona have?
Dog
200
(3+2i)-(12-8i)
-9+10i
200
Solve for x
3x^2+6x-45=0
x=-5 and 3
200
What is the axis of symmetry of the function:
f(x)= 3x^2-15x+2
x=5/2
200
Calculate the discriminant of this function:
f(x)=2x^2+6x-10
116 (most importantly it is positive!!)
200
Jackson has an older sister, how much older is she than him?
10 years
300
(2+4i)(5-3i)
22+14i
300
Solve for x
81x^2-25=0
x=-5/9 and 5/9
300
What is the y-intercept of the function:
f(x)=1/2(x-6)^2+1
(0,19)
300
Describe the discriminant of this graph
It's negative
300
How long was Elliot able to keep a carnival prize goldfish alive?
4-5 years
400
(4-2i)/(3i)
- (2+4i)/3
400
Solve for x
2x^2+12x+22=0
x= -3+isqrt2 and -3-isqrt2
400
What is the vertex of this function?
f(x)=2(x+3)(x+5)
(-4,-2)
400
What does it mean when the discriminant of a function is equal to zero?
There is 1 x-intercept (the vertex is on the x-axis)
400
Who in class has never seen any Marvel, Harry Potter, or Star wars movies?
Scarlett
500
(5+3i)/(3-2i)
(9+19i)/13
500
Solve for x (be sure your final answer is completely simplified)
2x^2-4x =22
x=1-2sqrt3 and 1+2sqrt3
500
Write the equation of this graph in vertex form
f(x)=-(x+4)^2+6
500
Convert this function to standard form:
f(x)=2(x+1)^2-7
f(x)=2x^2+4x-5
500
What is Felix's favorite sport?
Running