Inequalities
Solving
Graphing
Random Quadratics Stuff
Class Trivia
100
Solve the single variable inequality, provide your answer in interval notation.
x^2-5x-6<0
(-1,6)
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
Christina Kim was born on which holiday?
Thanksgiving
200
In order to make the graph below represent the inequality
y<-1/2x^2-2x+6 which region would you need to shade?
Inside!
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
Describe the discriminant of this graph
It's negative
200
What is Aiden Corron's favorite animal?
Giraffes
300
Solve the single variable inequality, provide your answer in interval notation.
-x^2-12x<= 11
(-oo, -11]cup[-1, oo)
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
Solve the system.
y=-x-2
y=-(x+8)(x+2)
(-7,5) and (-2,0)
300
Anya Kuster has climbed the tallest mountain in which New England state?
Vermont
400
Solve the single variable inequality, provide your answer in interval notation.
x^2-16x+64<=0
All Real Numbers
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
Solve the system:
-2x+y-3z=-15
2x-y-2z=15
2x+4y-z=20
(8,1,0)
400
Which state is Eneko originally from?
California
500
Sketch a quick graph of
(x-5)^2-7>=y
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
Which region of Europe has Alex Welch traveled to?
United Kingdom