Solving Polynomial Equations and Quadratic Form

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

Tags

CCSS.HSA-REI.B.4B

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

• -4

• 16

• 4

• 8

Tags

CCSS.HSA-REI.B.4B

What is the equation that is also called second degree equation?

• Cubic Equation

• Linear Equation

• Polynomial Equation

• Quadratic Equation

What is the quadratic equation in standard form if a = 2, b = -3 and c =-6?

Which are the values of a, b, and c in the equation 5x² – 2 = 0

Which quadratic equation can be factored?

• 5x² + 4x + 3 = 0

• x² – 4x – 3 = 0

• 5x² + 2x - 3 = 0

• 5x² + 3 = 0

Tags

CCSS.HSA-REI.B.4B

The following are the steps solving quadratic equations using quadratic formula. Which of the following is the correct sequence?

• I, II, III, IV

• II, I, III, IV

• II, IV, I, III

• I, IV, II, III

Tags

CCSS.HSA-REI.B.4B

• 0

• 7

• -30

• 75

Solve by Factoring or Quadratic Formula:  4x² + 11x - 3 = 0

• x = -3/4 and x = -1

• x = 4 and x = 3

• x = 1/4 and x = -3

• x = -1/4 and x = 3

Tags

CCSS.HSA-REI.B.4B

Solve by Factoring: x² + 15x + 44 = 0

• x=-8, 2

• x=-7, 5

• x=-11, -4

• x=-11

Tags

CCSS.HSA-REI.B.4B