9.1 Quizizz

Does this parabola have a maximum or minimum?

• Maximum

• Minimum

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

• up

• down

• left

• right

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

• up

• down

• left

• right

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum
• opens up with a minimum
• opens down with a maximum
• opens down with a minimum 

Does the following quadratic equation have a maximum or minimum value? How can you tell?
y=x²+2x-3

• Minimum value, because the "a" value is positive

• Maximum value, because the "b" value is positive

• Maximum value, because the "a" value is positive

• Minimum value, because the "c" value is negative

Identify the 'a' value: y = 16x² -8x -24

• 16

• 8

• -8

• -24

Does this graph have a maximum or minimum?

• Minimum
• Maximum

What is the green dot on the parabola called?

• maximum
• minumum
• roots
• zeros

Is this a maximum or minimum?

• maximum

• minimum

• cannot be determined

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

• maximum
• minimum