Show:
Finding Roots
(Quadratic Formula)
Parts of a Parabola
Identify a, b & c
Vocabulary
Trivia
100

Solve using the quadratic formula:

x2+2x-8=0

x=2 or x=-4

100

What is the name of the point where the parabola changes direction?

Vertex

100

In the equation y=2x2+3x-5 , what is the value of a ?

a=2

100

What is the term for the solutions to a quadratic equation?

Roots, zeros, x-intercepts

100

In what movie does this main character say, "The limit does not exist!" while in a moderate math competition?

Mean Girls

200

Solve using the quadratic formula:

2x2-3x-5=0

x=2 or x=-5/2

200

What is the formula for the axis of symmetry of a parabola in standard form?

x=-b/2a

200

In the equation y=-x2+4x+6 , what is the value of b ?

b=4

200

What do we call thee highest or lowest point of a parabola?

Vertex

200

In The Incredibles, what is the superhero name of the character who is a math whiz and uses her intelligence to solve problems?

Violet Parr

300

Solve using the quadratic formula:

3x2+6x-9=0

x=1 or x=-3

300

Identify the y-intercept in the equation:

y=3x2+5x-7

-7

300

In the equation y=7x2-2x+1 , what is the value of c ?

c=1

300

What do you call the line that divides the parabola into two equal halves?

Axis of symmetry

300

In the popular Netflix series Stranger Things, which character uses math to solve supernatural mysteries and is known for their nerdy personality?

Mike Wheeler

400

Solve using the quadratic formula:

x2-6x+8=0

x=4 or x=2

400

Given y=2x2+4x+1, what is the vertex?

(-1,-1)

400

In the equation 4x2+5x-2=0 , what is the value of a , b & c?

a=4

b=5

c=-2

400

What is the term for a constant term in a quadratic equation?

the y-interceept

400

I'm an odd number. Take away one letter, and I become even. What number am I?

Seven

(remove the s)

500

Solve using the quadratic formula:

2x2+5x-3=0

x=1/2 or x=-3

500

If a parabola opens downwards, what can you say about the sign of the coefficient a?

a is negative

500

In the equation -3x2+7x+9=0 , what is the value of a , b & c?

a=-3

b=7

c=9

500

When a quadratic equation is written as y= ax2+bx+c, what do we call this form?

Standard form

500

What has roots as nobody sees, is taller than trees, up, up it goes, and never comes down?

A Mountain