Date: Class: nich the parabola axis is UTION tok -8 -8 -S y dr 4 q у x-intercepts NO SOLUTION # 4. 5. 6. m Solutions: THE DISCRIMINANT EXAMPLES Use the discriminant to determine the number of solutions. m 4. y=x²-10x+16 5. y = -x² +9 6. y = -3x² + 6x Formula: D "d=b²-4ac a b с 7. y = x +5x+4 m X X 2 solutions 01 solution d=5²³-4(1)(1) a solutions O 25-16 9. y = x² +10x + 25 y y y > #td> 0. then there are >it de 0, then there are > ltd <0, then there are 2 solutions. 1 solutions. solutions. 8. y=x²-3x+10 d = (-3) ²= 4(1)(108 |d= 9-40=-31 d=9 2 solutions 10. y = 2x² - 4x-3 1 solution O solutions O2 solutions 1 solution O solutions O2 solutions 1 solution 0 solutions

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