Vocabulary
• Quadratic Function
• Parabola
• Vertex
• Concavity
• Quadratic Expression
• Standard Form
• Axis of Symmetry
Vocabulary
• Quadratic Function
• Parabola
• Vertex
• Concavity
• Quadratic Expression
• Standard Form
• Axis of Symmetry
Vocabulary
• Quadratic Function
• Parabola
• Vertex
• Concavity
• Quadratic Expression
• Standard Form
• Axis of Symmetry
Discussion Pg. 289 & 290
• What did you have to look at on the graph in
order to come up with the equations for the
parabolas?
• Vertex Form
• Tell me the vertex and if the parabola opens up or
down.
y = 3(x - 2)2 + 5
y = -5(x + 4)2 + 7
Discussion Pg. 289 & 290
• What did you have to look at on the graph in
order to come up with the equations for the
parabolas?
• Vertex Form
• Tell me the vertex and if the parabola opens up or
down.
y = 3(x - 2)2 + 5
y = -5(x + 4)2 + 7
Discussion Pg. 289 & 290
• What did you have to look at on the graph in
order to come up with the equations for the
parabolas?
• Vertex Form
• Tell me the vertex and if the parabola opens up or
down.
y = 3(x - 2)2 + 5
y = -5(x + 4)2 + 7
Crossing the Axis Pg. 291
• Group work
• x-intercept
Crossing the Axis Pg. 291
• Group work
• x-intercept
Crossing the Axis Pg. 291
• Group work
• x-intercept
How can we find an equation of a
parabola given the x-intercept and
vertex?
• Steps: y = a(x-h)2 + k
How can we find an equation of a
parabola given the x-intercept and
vertex?
• Steps: y = a(x-h)2 + k
How can we find an equation of a
parabola given the x-intercept and
vertex?
• Steps: y = a(x-h)2 + k
Vocabulary
• Vertex Form
• Concavity
• X-Intercept
• Quadratic Expression
• Quadratic Function
• Standard Form
• Parabola
• Axis of Symmetry
• Vertex
Vocabulary
• Vertex Form
• Concavity
• X-Intercept
• Quadratic Expression
• Quadratic Function
• Standard Form
• Parabola
• Axis of Symmetry
• Vertex
Vocabulary
• Vertex Form
• Concavity
• X-Intercept
• Quadratic Expression
• Quadratic Function
• Standard Form
• Parabola
• Axis of Symmetry
• Vertex
Due Next Time!
• Is it a Homer? Pg. 292
• Worksheet: Writing Quadratic Equations of
Parabolas