Stationary points

1. 1.
   Where are the stationary points of y = x³ − 1.5x² − 18x?
   a)x = 3b)x = 4 and x = -3c)x = -2 and x = 3d)x = -3 and x = 2
2. 2.
   At what value of x is the stationary point of y = 2x² − 16x − 5?
3. 3.
   At what value of x is the stationary point of y = -2x² − 20x − 4?
4. 4.
   What kind of stationary point does y = x² − 4x − 3 have?
   a)Minimumb)Maximum
5. 5.
   What kind of stationary point does y = 3x² + 30x + 2 have?
   a)Minimumb)Maximum
6. 6.
   At what value of x is the stationary point of y = -2x² + 20x − 5?
7. 7.
   Where are the stationary points of y = x³ − 4.5x² − 12x?
   a)x = 4b)x = -1 and x = 4c)x = -4 and x = 1d)x = 5 and x = -2
8. 8.
   At what value of x is the stationary point of y = 3x² − 12x + 7?
9. 9.
   What kind of stationary point does y = x² + 6x − 3 have?
   a)Minimumb)Maximum
10. 10.
    Where are the stationary points of y = x³ − 1.5x² − 36x?
    a)x = -3 and x = 4b)x = -2 and x = 3c)x = -3d)x = 3 and x = -4
11. 11.
    Where are the stationary points of y = x³ + 4.5x² + 6x?
    a)x = 1 and x = 2b)x = -1c)x = 0 and x = -3d)x = -2 and x = -1
12. 12.
    At what value of x is the stationary point of y = 2x² − 12x?
13. 13.
    At what value of x is the stationary point of y = -2x² + 16x + 3?
14. 14.
    What kind of stationary point does y = -2x² + 12x − 4 have?
    a)Minimumb)Maximum
15. 15.
    What kind of stationary point does y = x² − 4x − 8 have?
    a)Minimumb)Maximum
16. 16.
    At what value of x is the stationary point of y = -x² + 10x − 2?
17. 17.
    At what value of x is the stationary point of y = -x² + 7?
18. 18.
    At what value of x is the stationary point of y = x² + 4x − 9?
19. 19.
    At what value of x is the stationary point of y = x² − 4x + 2?
20. 20.
    What kind of stationary point does y = x² + 10x + 1 have?
    a)Minimumb)Maximum

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