VOCABULARY
This is the formula for the axis of symmetry.
What is x = -1(b)/2a ?
The vertex of y = 2x2 + 16x - 1 is this ordered pair.
Use your graphing calculator
What is (-4,-33)?
What are the roots of y = x2
0
A parabola will look like this if the "a" value is negative.
What is open downwards with the vertex as a maximum?
This is the axis of symmetry for the equation
y = 2x2 + 8x – 5.
Formula: x = -1(b) / 2(a)
What is x = -2?
y = 4x2 + 7 has its vertex at this point
Use your graphing calculator
What is (0,7)?
The roots of y = x2 -2x - 15
What are -3 and 5
Identify the vertex of the following graph.
Google Slides
What is (2, -4)
This is the axis of symmetry for
y = 3x2 + 6x – 2.
Formula: x = -1(b) / 2(a)
What is x = -1?
The vertex of y = x2 is this ordered pair.
Use your graphing calculator
What is (0,0)?
Find the root(s) of g(x) = x2 + 8x + 16
What is -4?
Identify the zeros of the following graph.
Google Slide
What is -4, -1 and 2
These are three names for the place or places a parabola crosses the x-axis.
What are x-intercepts, roots and zeros, solutions?
This is the axis of symmetry for
y = -4x2 + 3
Formula: x = -1(b) / 2(a)
What is 0?
This point is the vertex of y = -3x2 + 18x - 13
Use your graphing calculator
What is (3,14)?
The zeros of f(x) = 2x2 + 4x - 6.
What are 1 and -3?
Write the equation for the axis of symmetry of the following graph. Determine if it is a max or min.
Google Slides
What is x = -2 and it is a minimum
This is the standard form of a quadratic equation.
What is ax2 + bx + c = 0 ?
This is the axis of symmetry for
y = -2x2 + 8x + 12
Formula: x = -1(b) / 2(a)
What is x = 2?
The vertex of y = -4x2 + 3 is this.
Use your graphing calculator
What is (0,3)?
The solutions of y = x2 + 4x
What are -4 and 0?
Look at the graph on the Google Slide and...
State the vertex:
State the axis of symmetry:
State the roots:
Max or min?
State the vertex: (20, 800)
State the axis of symmetry: x = 20
State the roots: 0 and 40
Max or min? Maximum