Intercepts
Find y-intercept x2+6x+9 .
(0,9)
Tell me the vertex and axis of symmetry.
y = (x+3)2 - 9
Vertex at (-3, -9)
Axis of symmetry at x = -3
Give me a quadratic with a vertical stretch of 2, down 2 and left 7.
y= 2(x+7)2-2
Find the Axis of Symmetry for x- intercepts of 2 and 0
AOS= x=1
FInd x-intercepts (2x +1)(x - 5)
(-1/2, 0) (5,0)
Where is the vertex?
y = 3x2 - 18x + 27
(3,0)
Give me a quadratic that has a stretch of 1/2, up 3, right 4 and reflection (flip).
y=-1/2(x-4)+3
Find the Axis of Symmetry for x- intercepts of 4 and 1
AOS x=2.5
Find the x-intercepts of 2(x-3)2-18
(6,0) (0,0)
Identify the Vertex.
4(x + 1)2 - 9
(-1,-9)
Give me a quadratic with x intercepts at 5 and -6
y= (x-5)(x+6)
Find the AOS
y = -21x2+28x-49
AOS= .667
Identify the y-intercept (x - 1)2 + 14
(0,15)
Identify the vertex.
y = x2 + 7x + 12
(-4,0)
Give me two different quadratics that BOTH have x-intercepts of 3 and -3.
(x - 3)(x + 3)
2(x - 3)(x + 3)
Find the vertex given
y= (x-4)(x+1)
(1.5, 5.25
Find the y intercepts y=3(3x- 12)(2x).
(0,0)
Identy the vertex.
y= (x-7)(x+1)
(3,-16)
Give me a quadratic that has a y intercept at 4
y= x2+x+4
Find the AOS
y= -2(x-8)2+1
AOS: x= 8