1) Which of the expressions below represent the phrase “twice a number x decreased by four? a) Which of the expressions below represent the phrase “twice a number x decreased by four? b) 4- 2x c) 2x – 4 d) 4 + 2x e) None among the choices f) all of the choices 2) The sisters Josie and Amal share a room. They desire that their room be painted. Josie can paint it in 3 hours alone, while Amal can do it in 5 hours. They decided to work together. What part of the work that Josie can finish in 1 hour?  a) 3/5 b) 5/3 c) 1/3 d) 1/5 e) all of the choices f) none among the choices 3) What part of the work that Amal can finish in 1 hour? a) 3/5 b) 5/3 c) 1/3 d) 1/5 e) all of the choices f) none among the choices 4) If x be the number of hours it takes both to paint the room, which of the following equations represent the condition of getting how long will it take them to paint the room together? a) 3 + 5 = x b) 8/ x c) 1/3 + 1/5 = 1/x d) 3/x + 5/x = 8 5 e) all of the choices f) none among the choices 5) How long will it take them to paint the room together? a) 15/8 hours b) 4 hours c) 8/15 hours d) 1/8 hours e) all of the choices f) none among the choices

PRE-TEST FOR GRADE 8 MATH QUARTER 1

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