Formula Fun
Discriminant
Vertex of Parabolas
Solve Quadratic Equations
RANDOM FACTS
100
Recite the formula!
What is x = the opposite of b, plus or minus the square root, b squared minus 4ac all over 2a
100
Find the value of the discriminant of the equation x2 – 6x + 5 = 0
What is 16
100
Find the vertex of y=(x-3)^2 + 6
What is (3,6)
100
x2 + 17x + 70 = 0
What is -10, -7
100
Bodies of these creatures are 98% water.
What is a jellyfish.
200
The format that the quadratic equation must be in to get solutions from the formula
What is ax2 + bx + c =0
200
Find the value of the discriminant of the equation, and tell how many real and distinct roots the equation has. n2 – 18n + 81 = 0
What is 0. Since the discriminant is zero, there is one real–number root.
200
Find the vertex of y= 3(x + 2)^2 + 5
What is (-2,5)
200
3x2 + 12x + 3 = 0
What is -2 plus or minus the square root of 3
200
Arguably the longest animal in the world.
What is the lion's mane jellyfish.
300
The solution set for the equation 3x2 – 4x +1 = 0?
What is {1, 1/3}
300
Find the value of the discriminant of the equation, and tell how many real and distinct roots the equation has. 4y2 – 12y + 9 = 0
What is 0. Since the discriminant is zero, there is one real–number root.
300
Find the vertex of y= -2(x + 1)^2 -8
What is (-1, -8)
300
3x^2 + x = 2
What is x = -1, (2/3)
300
Jellyfish have been around for this long.
What is 650 million years!
400
Solve x2 + 3x – 4 = 0
What is x = –4, x = 1
400
Find the value of the discriminant of the equation, and tell how many real and distinct roots the equation has. 4p2 – 1.8p + 0.2 = 0
What is 0.04, there are two real–number roots.
400
If a parabola's equation is y = 3(x+3)^2 +4, what is its vertex? Which way does it open?
What is (-3,4), and it opens upwards since a is positive.
400
Solve using Quadratic Formula: x2 – 6x = 16
What is 8 and –2.
400
This creature has the ability to age backwards.
What is the immortal jellyfish (turritopsis nutricula)
500
0.25x2 + -0.25x + -10.5 = 0
What is x = -6, 7
500
Find all solutions to the quadratic equation using the discriminant: x^2 + 3x = 4
What is solutions to the given equation: 1 and -4.
500
Find the vertex of the following parabola: y = (x - 3)² + 4
What is (3,4)
500
y2 – 12y + 33 = 0
What is 6 + square root of 3, 6 - square root of 3
500
The microscopic physics that underlies the thermodynamic properties of black holes.
What is string theory.
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