Vocabulary
Real-life Quadratics
Crossing the Line
Mountain High, or Valley Low
Factoring and Expanding
100

The shape of all quadratic graphs.

What is parabola?

100

Name two different types of situations that would involve a quadratic relationship.

Answers vary.

100

Name the x-intercepts. y=(x-2)(x+6)

What is (2,0) and (-6,0)?

100

The line of symmetry for y=x2 + 4x + 4 

What is x=-2?

100

The expanded form of  y=(x-5)(x-1)

What is x2 -6x+5?

200

The highest or lowest point on a parabola.

What is the vertex?

200

The real-life meaning of 6 in -16x2 + 23x +6

What is the starting height?

200

Name the x-intercepts y= x(x-2)

What is (0,0) and (2,0)?

200

This part of a quadratic equation makes a parabola shapes as an "arch".

What is a negative coefficient of the first term?

200

The expanded form of (x+4)2

What is x2+8x+16?

300

The standard form of a quadratic equation.

What is ax2 + bx + c?

300

The real-life meaning of 23 in -16x2 + 23x +6

What is the initial velocity?

300

Name the x-intercepts. y=x2 - 4

What is (-2,0) and (2,0)?

300

The vertex of the equation y=(x+4)(x-4)

What is (0,-16)?

300

The factored form of x2- 4. 

What is (x+2)(x-2)?

400

This is the complete formula for the line of symmetry of a quadratic.

-b/2a?

400

The area in terms of L for a rectangle with a perimeter of 20.

What is L(10-L)?

400

Name the x-intercepts y=x2 - x - 2

What is (-1,0) and (2,0)?

400

The vertex of x2 - 4x - 5 = 0

What is (2,-9)?

400

The expanded form of (2x-4)(3x+4).

What is 6x2-4x -16?

500

The name of a function with the form f(x = x3

What is a cubic function?  

500

The formula for the number of high-fives needed for each teammate to high-five on a team of x number of players.  

What is (x2 -x) /2?

500

Name the x-intercepts. y= (x-1)2 + 1

What is None?

500

The vertex of 2x2 + 4x - 6 = 0.

What is (-1,-8)?

500

The factored form of 2x2 + 6x + 4

What is 2(x+2)(x+1)?