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.4

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)