Quadratic Equation Solving

Solve by the Extraction of Roots method: x² = 16

• ± 4

• ± 8

• 4

• 8

Solve by the Extraction of Roots method: (x - 2) ² = 49

• 9 or -5

• ± 9

• ± 5

• ± 7

What is the first step to solving THIS equation by completing the square?
a² + 10a + 21 = 0

• Set the equation equal to zero

• Divide 10 by 2 and add the result to both sides

• Add a² and 10a together

• Subtract the 21

Solve the equation by completing the square and then finding the roots. 
x²+ 6x - 4 = 36

• x = -7, 7

• x = 4, -10

• x = -4 +- √7

• x = 10, -4

• Cubic Equation

• Linear Equation

• Quadratic Equation

• Quartic Equation

Find the missing value "c" to create a perfect square trinomial:
x² – 8x  + ___ 

• -4

• 16

• 4

• 8

Determine the value of a, b , and c in the equation x² + 4x + 3 = 0

• a = 1, b = 4, c = 3

• a = -1, b= -4, c = -3

• a= 1, b = 3, c = 4

• a = 1, b = -3, c = -4

What is/are the value/s of x in the equation

x² + 5x + 4 = 0 ?

• x = 5 or x = 0

• x = 4 or x = 1

• x = 5 or x = 1

• x = -4 or x = -1

How many solutions are there in the equation x² + 10x + 25 = 0?

• 2

• 3

• 4

• 5

Solve x² - x - 12 = 0

• x = -6 or x = 2

• x = 12 or x =-1

• x = -11 or x = 1

• x = 4 or x = -3