INTRODUCTION
What is the degree of a quadratic equation?
2
152
225
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
132
169
/400
20
x(x+2)= 5
x2+ 2x - 5= 0
-x2 + 2x = 0
a = -1, b = 2, c = 0
What is a in the quadratic equation x2 + 2x - 3 = 0?
1
162
256
/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 + 3x - 5 = 0
-5
182
324
2SQRT3
(x+4) (x - 5) = 0
x2 - x- 20 = 0
4x2 - 3x = 7
a = 4, b = -3, c= -7
What is the value of b in the quadratic equation
x2 = 7
0
192
361
/72
6SQRT2
(2x - 3)(3x - 5) = 3
6x2-19x +12 = 0
2x2 = 3x - 8
a = 2, b = -3, c = 8