solving quadratic Functions and imaginary numbers

• √3
• ±√3
• -3
• No real solution

Solve by completing the square.
x² + 4x= 12

• x = 2 and -2
• x = -6 and 2
• x = 6 and -2
• x = 1 and -1

Solve by completing the square. 
 x² − 10x - 11= 0

• x = −1 and 11
• x = 1 and −11
• x = −10 and 11
• x = −5 and 25

ax²+bx+c=0  is the standard form of a quadratic equation.

• True
• False

Solve the equation: 
5x² - 35x + 60 = 0

• x = 3,  -4
• x = -3,  4
• x = 3,  4
• x = -3,  -4

Tags

CCSS.HSA-REI.B.4B

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Solve for x:

(x + 6)² = 49

• x=7,12

• x=±7

• x=1,-13

• x=43,-55

FACTOR:
17xy - x

• 17(xy - x)
• y(17x - x)
• x(17y - 1)
• ahhhhhhhhh GCF first

Factor x²-6x+8

• (x-4)(x-2)
• (x+4)(x+2)
• (x-4)(x+2)
• (x+4)(x-2)

Find the factors of 100x²-64

• (10x-8)(10x+8)
• (x-10)(x+8)
• (10x+8)(10x+8)
• (10x-8)(10x-8)