VOCABULARY
This is the formula for the axis of symmetry for a quadratic in general form.
What is x = -b/2a ?
The y-intercept of f(x)= x^2 - 4x - 21 is.
What is (0, -21)?
A parabola will look like this if a is negative.
What is open downwards with the vertex as a maximum?
This is the axis of symmetry for a quadratic in factored form.
What is x = (r1+r2)/2?
The vertex of y = 2(x-1)2+6 is this ordered pair.
What is (1,6)?
These are the zeros to this equation y=2(x-3)(x+6).
What are x=3 and x=-6?
This is the transformations of y=-2(x+1)2-4 from the parent graph y=x2.
What is a vertical reflection, vertical stretch, translation left 1 and down 4?
This is the axis of symmetry for a quadratic with x-intercepts at x=4 and x=-6
What is x = -1?
The vertex of y = x^2 is this ordered pair.
What is (0,0)?
This is the y-intercept of y=3(x-2)(x-1).
What is (0, 6)?
This is the equation of a quadratic vertically compressed, translated down 6.
What is y=ax2-6? (a-value varies)
This is the axis of symmetry for y=3(x-5)(x+1)
What is x=2?
This point is the vertex of y = -3x2 + 18x - 13.
What is (3,14)?
The y-intercept of y=-2x2-3 is.
What is (0,-3)?
This is the transformations of y=-(x-2)2+8 from the parent graph y=x2.
What is vertical reflection, translation right 2 and up 8?
This is the axis of symmetry for y = -2x2 + 8x + 12.
What is x = 2?
The vertex of y = -4(x-9)(x+1) is this.
What is (4,100)?
The y-intercept of y=-1/2(x+4)2-6 is.
What is (0, -14)?
FINAL JEOPARDY: Determine the roots and factored form equation by graphing: y = 2x^2 - 12x + 16
What are x=2 & x=6 and y=2(x-2)(x-6)?