Standard Form
The variable that tells us what the y-intercept is.
What is c?
This is what r and s represent in factored form.
f(x) = a(x-r)(x-s)
What are the roots? (solutions, x-intercepts, zeros)
This is the coordinate of the vertex in this form.
y = a(x-h)2+k
What is (h,k)?
This is what you find when you use the quadratic formula.
What are the roots? (solutions, zeros, x-intercepts).
The variable that tells us if our parabola opens up or down.
What is a?
The solutions for this function.
f(x) = -3(x-4)(x+5)
What is x = 4 and x = -5?
The vertex of this function.
f(x) = 2(x+3)2-1
What is (-3,-1)?
The form your equation must be in before you can use the quadratic formula.
What is standard form? (ax2+bx+c=0)
The direction in which this function opens.
y = -16x2+14x -1
What is down?
The axis of symmetry for this function.
f(x) = -2(x+1)(x-4)
The axis of symmetry of this function.
f(x) = -3x2+5
This solutions to this quadratic function.
2x2+9x-5=0
This is the axis of symmetry for this parabolic function.
f(x) = -3x2+6x +5
What is x=1?
The equation for this parabola. (image 1).
What is f(x)=5(x+3)(x+1)?
This is the equation of this parabola. (image 2)
What is f(x)=0.5(x+3)2-1?
This is the simplified exact solution to this Quadratic.
x2 - 2x - 4=0
What is x = 1+-root(5) ?
The range of the rocket's path in the following scenario.
A rocket's height h(t) in meters over time, t, in seconds is modelled by the function: h(t) = -4.9t2+80t.
What is 0<=y<=326.53, yeR?
The equation of the following scenario:
A soccer ball is kicked from ground level. It hits the ground after 6 seconds. At 2 seconds, it is 2m off the ground.
What is F(x) = -0.25x(x-6)?
The equation that models the following problem:
A frog jumps from one lily pad to another. The lily pads are 7 ft apart. The frog reaches a maximum height of 3ft above the water.
What is f(x) = -0.75(x-2)2+3?
A quadratic where the roots are 6 and 7.
Sample: What is y = 4(x-6)(x-7)?