INTRODUCTION
A quadratic equation has this many solutions.
2
The first first thing to look for when solving a quadratic equation.
What is the GCF?
/81
9
ax2 + bx = c
ax2 + bx + c = 0
x2 + 2x + 3 = 0
a = 1, b = 2, c = 3
What is the general form of the quadratic equation x2 + 2x = 6?
x2 + 2x - 6 =0
The methods that could be used to solve this quadratic equation 1296 = x2
square root method and the quadratic formula
/400
20
x(x+2)= 5
x2+ 2x - 5= 0
-x2 + 2x = 0
a = -1, b = 2, c = 0
What is a in this quadratic equation 11x2 + 2x - 3 = 0?
11
Can a=0 in a quadratic equation?
No, it would become a linear equation
/12
2SQRT3
x(x+1) - 12 = 5
x2 + x - 17 = 0
x2 - 49 = 0
a = 1, b = 0, c = -49
What is c in the quadratic equation 2x2 = 2x - 5 - 9
14
492
2401
/27
3SQRT3
(x+4) (x - 5) = 0
x2 - x- 20 = 0
4x2 - 3x + 9 = 2x2 +7x + 3
a = 2, b = -10, c= 6
What is the value of b in the quadratic equation
x2 = 7
0
Factor the following x2 + 11x + 28
(x + 7)(x + 4)
/72
6SQRT2
(2x - 3)(3x - 5) = 3
6x2 -19x +12 = 0
2x2 = 3x - 8
a = 2, b = -3, c = 8