Vocabulary
The point in which the parabola changes direction.
i.e. goes from increasing to decreasing OR goes from decreasing to increasing
What is the vertex?
The zeros of the factored form equation for a parabola are x = - 1, 5 and it has an "a" value of 1.
What is y = 1(x + 1)(x - 5)?
A tennis ball is thrown vertically. The initial vertical velocity of a tennis ball, whose vertical height can be modeled by:
- 16 = - 4.905t2 + 13t + 2.2
What is 13 m/s?
The zeros of the following parabolic equation:
y = 4.9x2 + 88x - 19
What are x = 18.173, 0.213
The zeros of the following parabolic equation:
y = x2 + x - 6
What are x = - 3, 2?
The initial, beginning, or starting value
(think projectile motion)
What is naught?
The vertex form of a parabola that has a vertex at
(- 3, 41) and passes through the point (0, 0)
What is y = - 41/9(x + 3)2 + 41?
A tennis ball is thrown vertically. The change in height of a tennis ball, whose vertical height can be modeled by:
- 16 = - 4.905t2 + 13t + 2.2
What is 18.2 metres?
The zeros of the following parabolic equation:
y = 3/2x2 + 11/2x + 5/2
What are x = - 3.135, - 0.532
The zeros of the following parabolic equation:
y = 5x2 + 45x + 100
What are x = - 5, - 4
The inside portion of a 2 dimensional shape.
What is the area?
The vertex form of a parabola that has a vertex at
(3, 41) and passes through the point (7, 9)
What is y = - 2(x - 3)2 + 41?
A tennis ball is thrown vertically. The time traveled in the air by a tennis ball, whose vertical height can be modeled by:
- 16 = - 4.905t2 + 13t + 2.2
What is 3.663 seconds?
The zeros of the following parabolic equation:
y = 3.4x2 - 44.2x + 9
What are x = 0.207, 12.793
The zeros of the following parabolic equation:
y = 6x3 + 9x2 - 15x
What are x = - 5/2, 0, 1
What is perimeter?
The vertex form equation of a bridge suspension cable where the main portion of the road between the two towers is 400 metres long, the cable's lowest point is 11 metres off the road, and the cable intersects the tower at it's apex which is 34 metres tall.
What is y = 23/40000(x - 200)2 + 11?
A tennis ball is thrown vertically. The maximum height reached by a tennis ball, whose vertical height can be modeled by:
- 16 = - 4.905t2 + 13t + 2.2
What is 26.814 metres?
The time in which the quarter hits the ground given the following equation:
y = - 4.905x2 + 13x + 1.5
Where the total height a quarter travels in the air, y, over time, x.
What is 2.761 seconds?
The width of a uniform border of picture frame, when the picture has dimensions of 8" by 11", and the area of the entire piece is 130 in2
What is 1"?
The force of the gravitational pull of a planet.
What is constant acceleration?
The standard form equation of a parabola that represents a rectangular town square. With a length of 29 metres, a width of 18 metres, and a uniform border of unknown width around the entire town square; which has an area that measures 1000 ft2
What is 4x2 + 94x - 478 = y?
A tennis ball is thrown vertically. The horizontal distance traveled by a tennis ball, whose vertical height can be modeled by:
- 16 = - 4.905t2 + 13t + 2.2
What is unknown metres?
What is 73 units?
The amount of time a tennis ball is in the air for when it's time in time in the air can be modeled by the equation: f(x) = - 5x2 + 2x + 3
What is 1 second?