Algebra I Exercises: The Discriminant
By B Horn
Use the discriminant to find how many x-intercepts, or solutions, there will be.
-7x2 + 1 = 0
x2 + 3x - 3 = 0
8x2 + 7x + 9 = 0
8x2 - 4x - 11 = 0
3x2 - 6x + 3 = 0
2x2 - 6x - 1 = 0
9x2 + 7x + 4 = 0
Making algebra encyclopedically accessible
By B Horn
Use the discriminant to find how many x-intercepts, or solutions, there will be.
-7x2 + 1 = 0
8x2 + 7x + 9 = 0
8x2 - 4x - 11 = 0
3x2 - 6x + 3 = 0
2x2 - 6x - 1 = 0
9x2 + 7x + 4 = 0