Factor : y = x2 + 8x + 16
(x + 4)(x + 4)
The vertex of: y = (x+1)2 + 2
What is (-1,2) ?
The equation for finding the x value of the vertex of a quadratic equation that is given in standard form.
What is: -b/2a
Find the x-intercepts: y = x2 + 3x - 10
Factor = x2 - 11x + 24
(x-3)(x-8)
The vertex of: y = (x+3)2
What is (-3, 0)
What makes a parabola open down?
Negative a value
Find the y-intercept: y = -2x2 + 8x - 8
Give the standard form of a quadratic equation.
y=ax2+bx+c
Give the formula for vertex form
What is f(x) = a(x-h)2 + k
Find the vertex: y= -x2 + 2x + 1
(1, 2)
Find the vertex: y = -2x2 + 4x - 9
(1, -7)
Name the point at the center of a parabola
What is vertex
Find the vertex and y intercept: y = - 2 ( x+4 )2 - 1
vertex: (-4, -1)
y-int: (0, -33)
What is y = ax2 + bx + c
standard form of a quadratic equation
Find the vertex: y = 8x2 -16x + 27
(-1, 19)
The graph of a quadratic function
What is a parabola?
Write the equation for a parabola with vertex at (5, 8)
What is y = (x-5 )2 + 8 ?
The vertex of: y = 3x2 - 12x +4
What is (2, -8)
Find the y-intercept: y = -2(x-3)2 + 5
(0, -13)