TMA 1 Uni Math 2018_Latest.docx - Question 1(a Expand and simplify the following expression(i 5 y 2−13 y 17 − 6 y 2 4 y −13 y 2 −9 y−9[3

# TMA 1 Uni Math 2018_Latest.docx - Question 1(a Expand and...

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Question 1 (a) Expand and simplify the following expression: (i) ( 5 y 2 13 y + 17 ) ( 6 y 2 + 4 y 13 ) + ( y 2 9 y 9 ) [3 marks] (ii) ( x 2 y ) 3 × x 5 y 3 x 2 y 7 [3 marks] (iii) 12 x 3 y 4 + 8 x 5 y 3 14 x 3 y 5 2 x 3 y 2 [3 marks] (iv) 12 x x + 1 ÷ 6 x x 2 + 2 x + 1 [3 marks] (v) 2 + x x 2 x 5 x 1 [3 marks] (b) Write and simplify an algebraic expression to represent the area of the figure shown below. WUC115/05 University Mathematics B Sem1/2018

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3 x + 2 4 x 3 2 x + 1 x Figure 1 [10 marks] Question 2 (a) Convert the following fraction to be in percentage (correct up to 2 decimal places) (i) 4 7 [2 marks] (ii) 14 37 [2 marks] (b) Jeanne bought a dress marked RM42 and the paid the cashier a total of RM43.47. Calculate the sale tax rate. [4 marks] (c) Marvin took the University Mathematics test. All the questions have equal value. He answered 38 of the questions correctly. This was 95% of the questions. Determine the number of questions in this test. [4 marks] (d) The pie chart below shows the total enrollment of students at Wawasan Open
• Winter '16
• Winnie Wong
• Expression, University Mathematics B

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