What is "The opposite of b plus or minus the square root of the difference of b 2 and 4 a c all over 2 a"
200
Twice a number reduced by eight
What is 2x-8
200
The y-intercept of the line passing through (1,3) and (2,4)
What is 2
200
Factor 196 into primes
What is 22*77
200
12x7/4x5<//sup>
What is 3x2
200
The graph of a quadratic equation looks like this shape
What is a parabola
300
The sum of the squares of a number and 4
What is x2+42
300
The equation of the line passing through (-2,2) and (0,-4)
What is y=-3x-4
300
Factor 12x2-3x
What is 3x(4x-1)
300
(3x2)3
What is 27x6
300
The vertex of a parabola is its maximum or minimum point, and this part of the quadratic formula will tell you the x-coordinate of the vertex
What is -b/2a
400
The quotient of the sum of a number and four and five.
What is (x+4)/5
400
Two lines that are perpendicular have slopes that are _______________ of each other.
What is "negative reciprocals"
400
Factor x2+16x+39
What is (x+3)(x+13)
400
This number, when raised to any power is always equal to itself
What is 1
400
Solve x2-6x+5=0
What is x=5 or x=1
500
The product of the difference of a number and six and the sum of that same number and five
What is (x-6)(x+5)
500
What is the equation of the line that is parallel to 4x-2y=6 and passing through (1,5)
What is y=2x+3
500
Factor 6xy+9y-2x-3
What is (2x+3)(3y-1)
500
This number when raised to the third power equals -8
What is -2
500
A ball is launched directly into the air and its height can be modeled by the quadratic y=-5x2+40x, where x is the time in seconds and y is the height in meters. How long does it take for the ball to come back to the ground?