Quadratics Review December 2nd

Solve by factoring: x²-2x-35=0

• (-6,-8)
• (-7,5)
• (7,-5)
• (7,8)

Solve by factoring: x²-13x+47=7

• (1,2)
• (1,-5)
• (-8,-5)
• (8,5)

Solve by taking square root:
2x²-4=28

• (4,-4)
• (65/4,-65/4)
• (7/2)
• (7/2,-7/2)

Solve by taking square root:
-5-2x²=-13

• (3,-3)
• (2,-2)
• (9,-9)
• (5,-5)

Solve using the Quadratic Formula: 12x²+4x-7=0

• (9±√301)/10
• (1/4,-7/12)
• 2±√11
• (-1±√22)/6

Solve using the Quadratic Formula: 4x²+4x-16=0

• (±√38)/2
• (-1±√5)/2
• (-1±√17)/2
• (11≠√141)/2

Will the following function open up or down: -2x²-3x+4

• Up
• Down

Will the following function open up or down: x²+3x+2

• Up
• Down

Identify the vertex from the graph.

• (-4,1)

• (1,-4)

• (4,-1)

• (-1,4)

Identify the axis of symmetry

• x=-1

• y=-4

• x=1

• y=4