Math Quiz 2

  1. Imaginary Unit
    • i = Image Upload 2
    • i2=-1
  2. Image Upload 4
    Image Upload 6
  3. Complex Numbers are in the form:
    a+bi
  4. -4-Image Upload 8
    • factor out imaginary number
    • combine like terms if any
  5. (4-2i)-(-2+5i) or (4-2i)+(-2+5i)
    add/subtract like terms
  6. (1-Image Upload 10) + (-6+Image Upload 12)
    • seperate - from square root Image Upload 14
    • find square of the positive numbers
    • attached i to squared numbers
    • combine like factors
  7. 5i(3-2i)
    • distribute 5i
    • multiply out the i2 (-1)
  8. (-6+8i)(7-2i)
    • FOIL
    • mulitply for imaginary number (i2=-1)
    • combine like terms
  9. Image Upload 16
    • multiply by the conjugate (-7i)
    • distribute in the num, multiply in the denom
    • simplify is possible 
  10. Image Upload 18
    • multiply by the conjugate (9-i)
    • distribute in the num.
    • FOIL in the denom.
    • multiply for i2 (-1)
    • separate answer into two fractions & simplify if possible
  11. |4-6x| = |4x-1|
    • 1) use rule |M|=|V| ⇒m±v
    • 2) write equation as
    • 4-6x=4x-1 and 4-6x=-(4x-1)
    • 3) Solve for X in each equation
  12. |4x+1| > 3
    • 1) Use rule |M|>a, M<-a or M>a
    • 2) Rewrite equation as -4x+1<-3 & -4x+1>3
    • 3) Solve for X
  13. Image Upload 20
    • 1) Add equation within root
    • 2) Square response
  14. Image Upload 22
    • 1) Image Upload 24, is root is even
  15. Image Upload 26
    • 1) Divide num and denom by root (5)
    • 2) divide remaining fraction
  16. 272/3
    1) can be figured out on calculator
  17. Image Upload 2820
    • 1) multiple exponents
    • 2) reduce fraction
  18. 6(32x5/6y-3)2/5
    • 1) distribute exponent outside of the ()
    • 2) multiply exponents
    • 3) create fraction with negative exponent on the bottom
  19. Image Upload 30
    • 1) make indexes exponents
    • 2) Simplify exponents
    • 3) subtract exponents
  20. Image Upload 32
    • 1) factor out 63
    • 2) find roots of numbers
    • 3) factor out exponents of variables
  21. Image Upload 34
    • 1) combine factors
    • 2) multiply factors
    • 3) factor out variables
    • 4) find the roots of the variables
  22. Image Upload 36
    • 1) Simplify large variables
    • 2) Square variables
    • 3) subtract variables
Author
regishouse
ID
243101
Card Set
Math Quiz 2
Description
Math 60 Quiz Two
Updated