Quadratic Review

What is the vertex?
 $y\ =\ -x^2+10x-23$  

• (5,2)

• (2,5)

• (-5, 2)

• (5, -2)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Find the axis of symmetry:
 $y\ =\ 3x^2-12x+5$  

• x = 2

• y = 2

• x = -7

• y = -7

Tags

CCSS.HSA.REI.B.4

Would the vertex be a maximum or minimum?
 $y\ =\ -x^2+\ 4x$  

• maximum

• minimum

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the standard form of a quadratic equation?

• $y\ =\ ax^2+bx+c$

• $y\ =\ a\left(x-h\right)^2+k$

• $y\ =\ mx+b$

• $d=b^2-4ac$

How many solutions?
 $y\ =\ x^2+10x+25$  

• 1

• 2

• 0

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.APR.B.3

How many solutions?
 $y\ =\ x^2-3x+10$  

• 1

• 2

• 0

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.11

What is the range?

• all reals

• $y\ge4$

• $y\le4$

• $x\le4$

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What are the zeros?

• {0,1}

• {0.5}

• {-1,0}

• {1}

Tags

CCSS.HSF-IF.C.7A

What formula do you use to find the axis of symmetry?

• $x=\frac{-b}{2a}$

• $d\ =\ b^2-4ac$

• $y\ =\ ax^2+bx+c$

• $y=mx+b$

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.CED.A.1

What is the vertex?
 $y=\left(x-2\right)^2+3$  

• (2,3)

• (-2,3)

• (3,2)

• (3,-2)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7