Week 3 Algebra 1B Day 1

In f(x) = ax² + bx + c or f(x) = a(x - h)² + k,

which letter determines if a parabola opens up or down?

• a

• h

• k

In f(x) = ax² + bx + c or f(x) = a(x - h)² + k,

if the a value is positive, which direction does the graph open?

• up

• down

• left

• right

In f(x) = ax² + bx + c or f(x) = a(x - h)² + k,

if the a value is negative, which direction does the parabola open?

• up

• down

• left

• right

Does y = -4x² have a maximum or minimum value?

• maximum
• minimum

Tags

CCSS.HSF-IF.C.7A

Does the quadratic have a max/min vertex, and does the parabola open up/down?

• max/ opens down
• min/ opens up
• max/ opens up
• min/ opens down

Tags

CCSS.HSF-IF.C.7A

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

What is the green dot on the parabola called?

• maximum
• minumum
• roots
• zeros

Tags

CCSS.HSF-IF.C.7A

Does this parabola have a maximum or minimum?

• Maximum
• Minimum

Tags

CCSS.HSF-IF.C.7A

Find the axis of symmetry for the graph

• x = -1
• x = 1
• x = 3
• x = -1 , 3

What is the axis of symmetry?

• the slope of the graph
• the dividing line for a parabola
• a way to spin my pencil
• the x-axis