Best Method
Name the Error
Fill in the Blank
Work in Reverse
Potpourri
100

The most efficient method to solve:

2x^2-18=0

Square Root Method

(b = 0)

100

**WORTH $1000***

Bob solved x2=49 and said his answer is x=7.

He forgot the negative. x=7 and x=-7

100

If the factored form of an equation is (x - 5)(x + 2) = 0, the two solutions are x = 5 and x = _____.

-2

100

What is the result from taking the square root of x2

\sqrt(x^2

x

100

Archaeologists have found pots of this sweet substance in ancient Egyptian tombs that are over 3,000 years old and still perfectly safe to eat.

Honey

200

The most efficient method to solve:

x^2+12x-1=0

Completing the Square

(a =1 and b is even)

200

Marcus set up the quadratic formula for x2-5x-6=0

x=-5+-sqrt((-5)^2-4(1)(-6))/(2(1)

The beginning should be -(-5)

200

The denominator (bottom part) of the Quadratic Formula is exactly this

2a

200

If the solutions to a quadratic equation are x = 4 and x = -7, these are the two factors in parenthesis.

(x____)(x____)

(x-4)(x+7)

200

The hottest planet in our solar system (not including the sun)

Venus

300

The most efficient method to solve:

x^2+7x+10=0

Factoring

300

Sarah tried solving x- 8x + 12 = 0  by completing the square:

x^2-8x+16=-12+16

(x-8)^2=4

Perfect Square Trinomial should be

(x-4)^2=4

300

To make x2 + 14x  to a perfect square trinomial, the "magic number" you must add is _____.

49

300

If your 'magic number' was 81, the original 'b' value must have been what?

18

300

This company is the largest toy manufacturer in the world, producing over 31 billion individual pieces a year.

LEGO

400

The most efficient method to solve:

3x^2-7x+5=0

Quadratic formula

400

Tim is factoring by grouping and split the middle term for 2x2-13x+15

into 2x2-5x-6x+15.  What should be the correct middle terms?

2x2 -10x-3x +15

400

If You want to use Completing the Square method on the equation 3x2-12x=9, your very first step must be to ____.

Divide the entire equation by 3

400

Rewrite the factored form equation to standard form.

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


x^2-9=0

400

Which letter of the alphabet is not used in the spelling of any of the 50 U.S. states?

Q