Evaluation

What is the formula of quadratic equation?

• ax^2 + bx + c = 0
• 4x^2 - 6x = 0
• 3x^2 - 5x + 2 = 0
• 2x^2 + 3x - 1 = 0

What is the example of quadratic equation?

• 5x - 2 = 0
• 2x^2 + 3x - 5 = 0
• 4x^2 - 2x + 1 = 0
• 3x + 7 = 0

What is the easiest way in answering quadratic equations?

• Using the quadratic formula or factoring method
• Guessing randomly
• Using the Pythagorean theorem
• Ignoring the equation

Tags

CCSS.HSA-REI.B.4B

What is the quadratic formula?

• The quadratic formula is: x = (-b ± √(b^2 + 4ac)) / (2a)
• The quadratic formula is: x = (-b √(b^2 - 4ac)) / (2a)
• The quadratic formula is: x = (b ± √(b^2 - 4ac)) / (2a)
• The quadratic formula is: x = (-b ± √(b^2 - 4ac)) / (2a)

Tags

CCSS.HSA-REI.B.4B

• 3x^2
• 3x
• 2
• 4x