7.6(6.6) And 8.1(7.1) Solving Radical Equations And Exponential Graphs

16 Questions | Total Attempts: 229

SettingsSettingsSettings
7.6(6.6) And 8.1(7.1) Solving Radical Equations And Exponential Graphs - Quiz

  ; &nbs p; &nb sp; &n bsp; & nbsp;


Questions and Answers
  • 1. 
    Is the given x-value a solution of the equation 4(x-5)^1/2 = 28x=12
    • A. 

      Yes

    • B. 

      No

  • 2. 
    4 x(3/4) = 108
  • 3. 
    X (2/3) + 15 = 24
    • A. 

      27

    • B. 

      No real solutions

    • C. 

      -3

  • 4. 
    Sqrt (2x-1) = sqrt (x+4)
    • A. 

      5

    • B. 

      6

    • C. 

      7

  • 5. 
    sqrt x = 8
    • A. 

      64

    • B. 

      8

    • C. 

      2 sqrt 2

  • 6. 
    x 1/3 +10 = 16
    • A. 

      6

    • B. 

      18

    • C. 

      216

  • 7. 
    (y-9)1/4 +4 = 0
  • 8. 
    (6u-5)1/3 + 2 = -3
    • A. 

      -225

    • B. 

      -125

    • C. 

      -20

  • 9. 
    Sqrt (4x-6) = sqrt x
    • A. 

      10

    • B. 

      2

    • C. 

      8

  • 10. 
    The velocity of a roller coaster is 10 m/s. Find the radius of the roller coaster loop if g=9.8 m/s2. Given v=sqrt(rg) Round to 1 decimal place.
  • 11. 
    X1/2 = 9
    • A. 

      3

    • B. 

      9

    • C. 

      81

  • 12. 
      Correct the error:The error is in the ____ step.
    • A. 

      1st step

    • B. 

      2nd step

    • C. 

      3rd step

    • D. 

      4th step

  • 13. 
    The graph of y=3x approaches the negative x-axis but does not touch it. True or False?
    • A. 

      True

    • B. 

      False

  • 14. 
    What's y when x=0 in y=3x?
    • A. 

      0

    • B. 

      1

    • C. 

      3

  • 15. 
    Nadia owns a chain of restaurants that operated 200 stores in 1999. If the rate of increase is 8% annually, how many stores does she operate in 2007?The first step to solving this question would be:
    • A. 

      Years after 1999 | stores 1999 0 | 200 2000 1 | 8+(200)

    • B. 

      Years after 1999 | stores 1999 0 | 200 2000 1 | (200)x8

    • C. 

      Years after 1999 | stores 1999 0 | 200 2000 1 | 1.08(200)

  • 16. 
    Nadia owns a chain of restaurants that operated 200 stores in 1999. If the rate of increase is 8% annually, how many stores does she operate in 2007?which of the following statements is true?
    • A. 

      If the rate of increase is 8% then I convert it to 1.08 and multiply it to 200 the number of stores

    • B. 

      If the rate of increase is 8% then I convert it to 0.08 and multiply it to 200 the number of stores

    • C. 

      If the rate of increase is 8% then I convert it to 8 and multiply it to 200 the number of stores