M2 Unit 5 Practice Test

8 Questions

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M2 Unit 5 Practice Test


Questions and Answers
  • 1. 
    A line is graphed on the coordinate plane below. Line y=-4/3 x+2 will be graphed on the same coordinate plane to create a system of equations. The solution to the system is ([Blank], [Blank]). 在下面的坐標上繪製了一條線。 y = -4 / 3 x + 2將繪製在同一坐標上以創建方程組。 該方程組的解是
  • 2. 
    Which systems of equations has infinitely many solutions? 哪組方程式有無限個解?
    • A. 

      -3x - 4y = 5 6x + 8y = 10

    • B. 

      -2x + y = 8 2x + y = 8

    • C. 

      3x + 4y = 12 3x - 4y = 12

    • D. 

      -3x + 4y = -12 3x - 4y = 12

  • 3. 
    Line l is shown on the grid. Line m will be graphed on the same grid. The only solution to the system of linear equations formed by lines l and m occurs when x=-1 and y=3. Which equation could represent line m? 線l顯示在下面。 線m將繪製在同一個圖上。 由線lm構成的線性方程組的唯一解為x = -1和y = 3。 哪一個方程可以代表線m
    • A. 

      Y = 3x + 6

    • B. 

      Y = -3x + 6

    • C. 

      Y = 1/2 x + 2

    • D. 

      Y = 3/2 x + 4

  • 4. 
    The graph of a system of equations is shown. What system of equations represents the graph? 下圖顯示了一組方程式。哪一組方程式代表了此圖?
    • A. 

      Y = 1/2 x y = -2x - 3

    • B. 

      Y = -1/2 x y = -2x - 3

    • C. 

      Y = -1/2x y = 2x - 3

    • D. 

      Y = 1/2 x y = -2x - 3

  • 5. 
    Solve the system of equations. Express your answer in the form ([Blank], [Blank]). -4x + 8y = 44 x - 3y = -15
  • 6. 
    Santa has two types of Christmas gift cards—$25 and $20 gift cards. Santa gave out 18 gift cards that are worth a total of $400. Santa gave out [Blank] $25 gift cards. He also gave out  [Blank] $20 gift cards. 聖誕老人有兩種類型的聖誕節禮品卡--$ 25和$20禮品卡。 聖誕老人分發了18張禮品卡,總價值為$ 400。 聖誕老人送出[空白] 25美元的禮品卡。 他還贈送了[空白] 20美元的禮品卡。
  • 7. 
    Kylie and Tammi are selling concert tickets. Kylie sold 10 child tickets and 8 adult tickets for a total of $248. Tammi sold 12 child tickets and 2 adult tickets for $176. Each child ticket is worth [Blank], and each each adult ticket is worth [Blank]. 凱莉和塔米正在出售音樂會門票。 凱莉售出了10張兒童票和8張成人票,總計248元。 塔米以176元的價格出售了12張兒童票和2張成人票。 每張兒童票值[空白],每張成人票值[空白]。
  • 8. 
    The table and the graph below show Cecilia’s and Dawn’s wages, respectively, based on the number of hours worked. Cecilia and Dawn each worked an eight-hour day for five days each week. After working for [Blank] weeks, Dawn earned $4,400 more than Cecilia. 下表和圖表分別根據工作小時數顯示了塞西莉亞和黎明的工資。 塞西莉亞和黎明都每天工作八小時,每週工作五天。 黎明工作了[空白]週後,比塞西莉亞多賺4400美元。
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