Mathematics Grade 9 Gauteng June 2023 Question Paper (Eng)

Downloaded from hlayiso.com PROVINCIAL EXAMINATION JUNE 2023 GRADE 9 MATHEMATICS TIME: 1½ hours MARKS: 75 14 pages NAME OF LEARNER: CLASS: NAME OF SCHOOL: P.T.O.

Downloaded from hlayiso.com MATHEMATICS 2 GRADE 9 INSTRUCTIONS AND INFORMATION 1. This question paper consists of 7 questions and 14 pages. 2. Answer ALL questions on the question paper. 3. A non-programmable calculator may be used, unless otherwise stated. 4. Clearly show ALL calculations, diagrams, and graphs that you have used in determining your answers. Answers only will not necessarily be awarded full marks. 5. If necessary, round-off your answers to 2 decimal places, unless otherwise stated. 6. Diagrams are not necessarily drawn to scale. 7. Answer QUESTION 1 in Section A by circling the letter next to the correct answer. 8. Answer QUESTIONS 2 to 7 in Section B in the spaces provided on this question paper. 9. Write neatly and legibly. P.T.O.

Downloaded from hlayiso.com MATHEMATICS 3 GRADE 9 SECTION A QUESTION 1 Answer questions 1.1 – 1.5 by choosing the correct answer. Circle the letter next to the correct answer. 1.1 Which equation illustrates the multiplicative inverse property? A 1 y  y 1 B y  1 y C 1 0 1 (1) D 1  y  1 1.2 Given the equation 4(x + 1) = 3x + 10. For which value of � will this equation be true? A –6 B 6 C 9 D –9 (1) 1.3 In the sequence 4; 23 ; 19 ; 541 ; ... the common ratio is: A 6 1 B 12 8 C 3 1 D 6 (1) P.T.O.

Downloaded from hlayiso.com MATHEMATICS 4 GRADE 9 1.4 What does 5y – 1 mean? A Subtract 1 to 5 and multiply by y. B Multiply 5 and y by negative 1. C Add 5 and y and subtract 1. D Multiply 5 and y, then subtract 1. (1) 1.5 Consider the ratio below and determine which statement is NOT true. 2 packets of chips : 8 pieces of chicken A For every 8 pieces of chicken, there are 2 packets of chips. B The ratio of packets of chips to pieces of chicken is 2:8. C The ratio of packets of chips to pieces of chicken is 8:2. D The ratio of pieces of chicken to packets of chips is 8:2. (1) [5] P.T.O.

Downloaded from hlayiso.com MATHEMATICS 5 GRADE 9 SECTION B QUESTION 2 2.1 The following ladders show the prime factors of 420 and 100. 420 2 100 2 210 2 50 2 105 3 25 5 35 5 5 5 7 7 1 1 2.1.1 Write down the HCF of 420 and 100. (1) 2.1.2 Write down the LCM of 420 and 100. (1) 2.2 Choose the correct term in the brackets to complete the sentence. Zero (0) is __________________________ (an irrational or a rational) number. (1) 2.3 Complete the table below by filling in the missing values: Decimal fraction Percentage 0,5 50% 0,7333… 2.3.1____________________ 2.3.2 __________________ 105% (2) P.T.O.

Downloaded from hlayiso.com MATHEMATICS 6 GRADE 9 2.4 At your local store, you get 3 stickers for every R60 spent. 2.4.1 If you spend R480, how many stickers would you have? Show ALL your calculations. (2) 2.4.2 By using the answer to QUESTION 2.4.1, would you say the relationship between the amount spent and number of stickers earned is a direct proportion or indirect proportion? (1) 2.5 R3 030,05 is invested for 5 years at 4,5% compound interest per annum. Calculate the value of the investment (A) after 5 years. Round-off your answer to the nearest whole number. � � Formula: � = � 1 + 100 �� � = �(1 + �)� (4) [12] P.T.O.

Downloaded from hlayiso.com MATHEMATICS 7 GRADE 9 QUESTION 3 3.1 What is the additive inverse of 13? (1) 3.2 Study the number pattern below: 2–2=0 2–1=1 2–0=2 What will the next line in the pattern be? Show ALL your calculations. (2) 3.3 Calculate the following WITHOUT using a calculator. Show ALL your calculations. Leave answers in the simplest form. 3.3.1  36 ( 1) 3  2 3 (3) 3.3.2 3  6  ( 6  4)  5  7 (3) [9] P.T.O.

Downloaded from hlayiso.com MATHEMATICS 8 GRADE 9 QUESTION 4 4.1 3 64; 0,8; 13 ; 92 ; 9; 25 Arrange the above numbers in descending order. (2) 4.2 Use the symbol = ; > or < to make the following statement TRUE: 3 64 __________ 64 (1) 4.3 The following statements are INCORRECT. Write down the correct answers. 4.3.1 5-1 = –5 (1) 4.3.2 (pq)0 = p (1) 4.4 Simplify the following expression: 16 a 2 b 8a 3 b  3a 3 b 2 9a 4 b (4) [9] P.T.O.

Downloaded from hlayiso.com MATHEMATICS 9 GRADE 9 QUESTION 5 5.1 Given the number sequence : 1; 8; 27; 64; 125; … Write down the next term of the sequence. (1) 5.2 Two friends were texting each other back and forth. They were using the heart eyes emoji with every text forming the following pattern: 1st Text 2nd Text 3rd Text 5.2.1 Complete the table below by writing down the number of heart eyes in each text. Text 1 2 3 Number of Hearts (1) 5.2.2 Use the numerical pattern derived in QUESTION 5.2.1 by the heart eyes to determine the general term in the form Tn = _________. (2) 5.2.3 If the friends continue using emojis as observed above, how many hearts would there be in the 15th text? (2) P.T.O.

Downloaded from hlayiso.com MATHEMATICS 10 GRADE 9 5.2.4 How many texts were sent if there are 39 emoji faces? (3) 5.3 The heights and widths of boxes used to store files in a shop (in cm) is as follows: Height of the box (in cm) Width of the box (in cm) 30 8 60 16 90 24 120 32 What is the width of a box that has a height of 45 cm? (2) [11] P.T.O.

Downloaded from hlayiso.com MATHEMATICS 11 GRADE 9 QUESTION 6 6.1 Choose the correct answer in brackets. A (variable/constant) is a number that does not have a fixed value. (1) 6.2 State if the following statement is True or False: x2 + 9 = (x + 3) (x – 3) (1) 6.3 Subtract (2p + pq) from (–12p + 12pq). (2) 6.4 Expand and simplify: (ab2 + b)2 (2) 6.5 Factorise: 3x2 + 9 – 12x (4) P.T.O.

Downloaded from hlayiso.com MATHEMATICS 12 GRADE 9 6.6 Simplify the following expressions: 6.6.1 6p – 4 + 2(2p + 3) (2) 6.6.2 b 2  5b 3b 2  15b  b 2  25 6b (4) [16] P.T.O.

Downloaded from hlayiso.com MATHEMATICS 13 GRADE 9 QUESTION 7 7.1 Write the following statement in the form of an algebraic equation. Four times the sum of twice a number and six equals thirty-two. (1) 7.2 During the class discussion, Mary and Rose disagree on the answer to the equation: d(d – 2) = (d + 4) (d – 3). Rose says the answer is d = –12, while Mary says the answer is d = 4. Determine who is correct.(Show ALL your calculations.) (4) 7.3 Solve for the unknown in the equation below: ( x  2) x 2 3 (3) P.T.O.

Downloaded from hlayiso.com 7.4 You decided to buy TWO types of chocolates to sell at your school’s entrepreneurs day. The one type of chocolate costs R8 and the other type costs ��. You spent ���� in total on 22 chocolates. How many of each type of chocolate did you buy? (5) [13] TOTAL: 75 END