Solving Quadratic Equations

Null Factor Law

Completing The Square

Quadratic Formula

Factoring

BONUS (can only choose if you answered a 500-pt question)

100

What is the Null Factor Law

If the product of two numbers is zero, then either/both of the two numbers is zero

- If ab=0, then either/both a=0 or b=0

100

What is completing the square?

When you add and subtract a value to a quadratic equation to be able to factor it into a perfect square

100

What is the quadratic formula?

x = -b +- sqrt(b² - 4ac) /(2a)

100

The first step in factoring

Write the equation in Standard Form

100

Spell the complete name of you current Math teacher correctly

R-E-N-A-L-E-I-G-N D-O-M-I-N-G-O

200

Solve the following quadratic equation by factoring. x² - 5x=0

x = 0 or x = 5

200

Solve these quadratic equations by first completing the square. x²+ 4x - 4 = 0

x = - 2 +/- sqrt(8)

200

How do we know a quadratic function does not have solutions when using the quadratic formula?

There will be a negative number under the square root.

200

This term describes a polynomial with two terms, often factored in quadratics.

Binomials

200

What are the first 5 digits of Pi?

3.1415

300

Solve the following equation by factoring. x²- 9 = 0

x = -3 or x = 3

300

Solve these quadratic equations by first completing the square. x² + 20x + 13 = 0

x = -10 +/- sqrt(87)

300

Identify a, b and c in the following equation:

x² - 9x + 20 = 9

a = 1; b = -9; c = 11

300

Factor x² - 9 = 0

(x + 3) (x - 3) = 0

300

Heads or Tails? If guessed correctly you get DOUBLE the points for this question

Tails

400

Solve the following quadratic equation by factoring. x² - 6x + 5 = 0

x = 5 x = 1

400

How many solutions are there for the following equation. x²- 2x + 5 = 0

No Real Solutions

400

Solve the following quadratic equation by using the quadratic formula: 2x² + 9x + 4 = 0

x = -1/2 x = -4

400

Factor x² + 5x + 6 = 0

(x + 3) (x + 2) = 0

400

Give one class rule in Math Class besides adhering to the gadget rule

-any of the following-

- Be respectful

- Raise your hand for permission to speak

- Work quietly and do not disturb others

- Listen and participate in the discussion

500

Solve the following quadratic equation by factoring. 3x² - 4x - 15 = 0

x = -5/3 or x = 3

500

Solve these quadratic equations by first completing the square. 4x² + 20x + 8 = 0

x = ( -5 +/- sqrt(17))/2

500

Solve the following quadratic equation by using the quadratic formula: 4x² - 17x - 15 = 0

x = 5 x = -3/4

500

Solve 4x²- 9 = 0 by factoring.

(2x - 3) (2x + 3) = 0

x = 3/2

x = -3/2

500

What is my favorite chocolate brand?

Maltesers