the maximum or minimum point on a graph
the vertex
Identify the y-intercept.
(0,-4)
Which way does the parabola open in the equation
y= 3x2 - 8x - 11 ?
UP or DOWN
UP
Identify the vertex of the equation
y = 3(x - 7)2 + 1
(7, 1)
Where did Ms. Randolph go to college?
Ursinus College
a U-shaped graph is called a _______________
parabola
Identify the vertex.
(4,2)
Identify the a, b, and c values in the equation
y = -4x2 + 7x - 8
a= ____, b = ____, c = ____
a= -4, b = 7, c =-8
What does the a value tell us about the graph of the equation?
y= a(x - h)2 + k
The a value tells us which direction the parabola will open.
Where did Ms. Darden-Smith go to college?
University of California Santa Cruz
The _________________ is an imaginary straight line that divides a shape into two identical parts
(aka the mirror)
axis of symmetry
Identify the axis of symmetry.
x=4
Identify the y-intercept (written as an ordered pair).
y = 2x2 - 5x + 1
(0,1)
Identify the vertex.
y=-3(x+1)^2+6
(-1,6)
When is is Pi Day and why is it known as pi day?
March 14th, 3.14 also Albert Einstein's birthday
the point where the graph crosses the y-axis is known as the ______________
y-intercept
Would the graph of this equation have a maximum or a minimum?
y=-x^2+2x-4
maximum, since a is negative
Find the axis of symmetry in the equation
y = x2 -8x + 7
AOS: x = _____
x = 4
The Axis of Symmetry of the equation
y=-2(x-5)^2+3
is
A. x=-2 B. x=5 C. x=3 D. Another value
B. The AOS is the same as the x-value of the vertex.
When does Interim 3 end?
March 14th
an equation with a variable to the 2nd power (EX: x2 ) is called a ______________ equation
quadratic
How many zeros does this graph have?
2 (where the graph touches the x-axis)
Find the vertex of the equation y = -5x2 + 20x + 3
(2, 23)
Find y when x = 7:
y = (x - 3)2 + 6
y = 22
How long have Ms. Darden-Smith and Ms. Randolph been teaching at WLA?
4 years