Quiz 10.1-10.3 Review Day 2

Which direction does the parabola open? $y\ =\ x^2\ -\ 8x\ +\ 15$  

• Up

• Down

What is the axis of symmetry? $y\ =\ x^2\ -\ 8x\ +\ 15$  

(a)  

What is the vertex? $y\ =\ x^2\ -\ 8x\ +\ 15$  

(a)  

Which equation matches the graph?

• $y\ =\ x^2\ +\ 3$

• $y\ =\ x^2\ +\ x\ +\ 4$

• $y\ =\ -x^2\ +\ x\ +\ 3$

• $y\ =\ -x^2\ -\ 3$

Does this have a minimum or a maximum?  $y\ =\ x^2\ -\ 64$  

• Minimum

• Maximum

What is the b term?  $y\ =\ x^2\ -\ 64$  

• 1

• -64

• 0

Which graph matches the graph?

• $y\ =\ -x^2\ -\ 2x\ +\ 2$

• $y\ =\ -x^2\ -\ 1x\ +\ 1$

• $y\ =\ x^2\ -3x\ +\ 2$

• $y\ =\ -x^2\ -\ 3x\ +\ 2$

What is the axis of symmetry?  $y\ =\ x^2\ -\ 64$  

(a)  

How would this graph compare to the parent graph? Check all that apply  $y\ =\ 8x^2\ -\ 2x\ -\ 3$  

• wider

• narrower

• same a.o.s.

• translates up 3

• translates down 3

Does the graph have a minimum or a maximum?  $y\ =\ 8x^2\ -\ 2x\ -\ 3$  

• minimum

• maximum