None.
One solution: x = -4
It has two equal solutions of 2
0
They are x = -1 and x = 4.
1 solution
None.
One solution: x = -4
It has two equal solutions of 2
0
They are x = -1 and x = 4.
If: -3a-1 = -15 Then: a = 4 and 2/3
X2 + 2X - 4 = 0 Use the discriminant to find out. b2 - 4ac a = 1 b = 2 c = - 4 22 - 4(1)(- 4) 4 + 16 = 20 > 1 =============so, Two real solutions.
The discriminant is 1-4*2*(-1) = 1+8 = 9. This is greater than 0 so there are 2 real solutions.
-1
Infinite, both equations are equivalent and all possible solutions can be represented on the graph y = 4 - x
There are two solutions and they are: x = -1 and y = 3