The standard form of quadratics
y=ax^2+bx+c
The vertex form of quadratics
y=a(x-h)^2+k
The solution to x2-12x+20 (via factoring)
(x=10, 2
Does the graph of
-2(x + 5)2 + 2
have a minimum or a maximum?
Maximum
the square root of 32
4 root 2
The value of y -intercept of quadratics in standard form
y=c
Values of a to reflect
y = a (x - h)^2 + k
a < 0
The value of "c" that would allow me to complete the square
x^2-10x+c
What is +25?
What is the vertex of the equation
y= (x-12)2+7 ?
(12, 7)
Square root of 2/(root 2)
root 2
The y-value of
y = x^2 + 2x + 1 at
x=-4
y=9
The vertex of
-2 (x + 4)^2 + 2
(-4,2)
Find the x intercepts of 0=4x2-9
(3/2, 0) (-3/2, 0)
When x2 is changed to x2 -3, the graph
Shifts down 3 units.
Square root of -8
2i root 2
What is the y-intercept of the following function
y=3x2+4x-6
(0,-6)
The y -intercept of
y = 2(x+3)^2 - 8
y=10
The solution to the following equation (Quad. Formula):
2x2-9x-5=0
x=5, -1/2
A parabola has a vertex at (-3,2). Where is the axis of symmetry?
x = -3
(4 root 3)(2 root 6)
24 root 2
Describe all transformations
y=-a(x+6)^2+4
reflects
translates left 6
up 4
Transformation(s) of
-4 (x + 6)^2 - 4
1. vertical stretch by a factor of 4
2. vertical shift 4 units down
3. horizontal shift 6 units left
4. vertical reflection (flipped upside down)
A quadratic equation that has solutions x=-1, -2 (multiple correct answers
y=x2+3x+2
The equation of a parabola shifted left 3, up 2, and stretched by a factor of 1/2
y=1/2(x+3)2+2
(2-5i)(3+i)
11-13i