Solving Quadratics' Review

What is this?

• This is the speed of light formula.
• This is the quadratic formula.
• This is the zero product property.
• This is scary.

Tags

CCSS.HSA-REI.B.4B

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x – 3= 0

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

Find the roots by using the table

• x=-1 , x=0
• x=-2 , x=1
• x= 0
• x= -1 , x=1

Find the roots of the quadratic

• x=2, x=-2
• x=-2
• x=-2, x=1
• x=-2,  x=3

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Does this graph in the back have maximum or minimum value?

• maximum
• minimum
• neither
• both

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

 The function below represents the flight of a ball being thrown by a girl who is standing on a box.  How long until the ball hits the ground? (Round to the nearest whole number)
y = -1/2x² + 2x + 2?

• 2 seconds
• About 5 seconds
• 0 seconds
• 4 seconds

Solve for the values of x:
(2x - 1)(x + 4) = 0

• { 1/2, -4 }
•  { 1/2, 4 }
• { 2, -4 }
• { -2, 4 }

Tags

CCSS.HSA-REI.B.4B

Factor:
x² + 10x + 24

• (x + 8)(x + 3)
• (x + 6)(x + 4)
• (x + 12)(x - 2)
• (x + 12)(x + 2)

Factor
3a² + 4a + 1

• (7a-10)(a-8)
• Not factorable
• (3a+1)(a+1)
• (3a-1)(a-1)

Tags

CCSS.7.EE.A.1