Nice graph
My favorite f word
What's the root of the problem
Finish the Square
Pop Goes the Weasel
100
What is the axis of symmetry of the quadratic function y = -2x2 - 4x + 1?
x = -1
100
Solve by factoring
x2 - 7x + 12 = 0
x = {3, 4}
100
Solve by taking the square root
x2 = 100
x = {-10, 10}
100
Solve by completing the square
x2 + 12x - 13 = 0
x = {1, -13}
100
Solve by Quadratic Formula
x2 - x - 20 = 0
x = {-4, 5}
200
What is the vertex of the quadratic function y = -2x2 - 4x + 1?
(-1, 3)
200
Solve by factoring
4x2 - 9 = 0
x = {-3/2, 3/2}
200
Solve by taking the square root
x2 - 8 = 8
x = {-4, 4}
200
Solve by completing the square
x2 - 10x - 1 = 10
x = {11, -1}
200
Solve by Quadratic Formula
4x2 -2x - 2 = 0
x = {1, -1/2}
300
What is the domain of the quadratic function
y = -2x2 - 4x + 1?
all reals
300
Solve by factoring
x2 + 6x + 1 = 8
x = {-7, 1}
300
Solve by taking the square root
64x2 + 6 = 42
x = {-3/4, 3/4}
300
Solve by completing the square
x2 + 42 = -16x
x = {-8 +- rad22}
300
Solve by Quadratic Formula
5x2 - 8x - 91 = -6
x = {-17/5, 5}
400
What is the range of the quadratic function
y = -2x2 - 4x + 1?
y is less than or = to 3
400
Solve by factoring
5x2 + 7x = -2x2 + 392
x = {-8, 7}
400
Solve by taking the square root
x2 - 56 = 0
x = {-2rad14, 2rad14}
400
Solve by completing the square
x2 = -41 + 18x
x = 9 +- 2rad10
400
Solve by Quadratic Formula
4x2 - 2 = 0
x = {+- rad2 / 2}
500
What is the equation of the graph
y = -x2 + 6x - 8
500
Solve by factoring
6x2 + 7x = 3
x = {-3/2, 1/3}
500
Solve by taking the square root
-3x2 = -135
x = {-3rad5, 3rad5}
500
Solve by completing the square
x2 = 34 + 8x
x = {4 +- 5rad2}
500
Solve by Quadratic Formula
3x2 - 21 = -6x
x = {-1 +- 2rad2}