The most efficient method to solve:
2x^2-18=0
Square Root Method
(b = 0)
**WORTH $1000***
Bob solved x2=49 and said his answer is x=7.
He forgot the negative. x=7 and x=-7
If the factored form of an equation is (x - 5)(x + 2) = 0, the two solutions are x = 5 and x = _____.
-2
What is the result from taking the square root of x2
\sqrt(x^2
x
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
The most efficient method to solve:
x^2+12x-1=0
Completing the Square
(a =1 and b is even)
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)
The denominator (bottom part) of the Quadratic Formula is exactly this
2a
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)
The hottest planet in our solar system (not including the sun)
Venus
The most efficient method to solve:
x^2+7x+10=0
Factoring
Sarah tried solving x2 - 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
To make x2 + 14x to a perfect square trinomial, the "magic number" you must add is _____.
49
If your 'magic number' was 81, the original 'b' value must have been what?
18
This company is the largest toy manufacturer in the world, producing over 31 billion individual pieces a year.
LEGO
The most efficient method to solve:
3x^2-7x+5=0
Quadratic formula
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
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
Rewrite the factored form equation to standard form.
(x - 3)(x + 3) = 0.
x^2-9=0
Which letter of the alphabet is not used in the spelling of any of the 50 U.S. states?
Q