© Prof Iyer /MATH/JAN’23/SA2 Mathematics JAN 2023 Summative Assessment Grade 8 LMS PARTNER US Common Core Portion: Term 1 Content © Prof Iyer 03/02/2023 45 Mins. ____________________________________________________________________________________ Instruction to Candidates • • • • • Do not open the paper until you are advised to do so Calculator is Not allowed Answer all Questions. Answers must be written in a separate blank sheet Graph paper to draw the diagram is incorporated for sketching questions The maximum mark for this examination paper is [48 marks]. Portion to be assessed: • • • • • Exponential function Functions Indices Equations Arithmetic and Geometric Progression Content © Prof.Iyer ib.mathfhaculty@gmail.com Question 1 6 Marks If -2, -5, are the first 2 terms of an arithmetic progression a. Find the common difference b. Find the nth term c. Find the 12th term Content © Prof.Iyer [1] [3] [2] ib.mathfhaculty@gmail.com Question 2 6 Marks If 2, 1, are the first 2 terms of a Geometric progression a. Find the common ratio b. Find the next 2 terms c. Find the nth term Content © Prof.Iyer [1] [2] [3] ib.mathfhaculty@gmail.com Question 3 6 Marks If Tn = 11n -3 is the nth term of an arithmetic progression a. Find the first term and common difference b. Find the 6th term c. Find the sum of first 4 terms Content © Prof.Iyer ib.mathfhaculty@gmail.com [2] [2] [2] Question 4 7 Marks -x If y = 3 -2 a) Sketch y in the below graph b) Find y when x = 0 c) Find x when y =7 Content © Prof.Iyer [3] [2] [2] ib.mathfhaculty@gmail.com Question 5 7 Marks x If y = 4 a) Sketch y in the below graph b) Find y when x = 0 c) Find x when y =0.25 Content © Prof.Iyer [3] [2] [2] ib.mathfhaculty@gmail.com Question 6 If 1−3𝑥 4 = 7 Marks 4𝑥−1 3 a) Solve for x 1−3𝑥 [3] 4𝑥−1 b) If > write an inequality 4 3 c) Express your result on a number line Content © Prof.Iyer [2] [2] ib.mathfhaculty@gmail.com Question 7 3 Marks A baker sells bread for $3 a loaf and per topping for 50 cents The customer bought it for 5$ Write the linear equation describing the problem Content © Prof.Iyer [3] ib.mathfhaculty@gmail.com Question 8 6 Marks John goes by a taxi. The minimum fare is 10 Dhirams for the first 5 kms and 50 fils every km. Form a linear equation with x kms travelled by Kumar [3] If x= 10 kms, how much Kumar must have paid [3] Content © Prof.Iyer ib.mathfhaculty@gmail.com