# Mathematics Grade 11 P1 Gauteng June 2018 Question Paper

> Grade 11 Mathematics Paper 1 question paper from the Gauteng June 2018, 8 pages. Read online or get the free PDF download, memo linked when available.

- Page: https://www.hlayiso.com/library/gr11-math-p1-june-2018-question-paper/5dc42278-70f8-4969-b6b1-bd0f3f3a3ab7
- Updated: 2026-09-27
- Subject: Mathematics
- Grade: Grade 11
- Document type: Question paper
- Year: 2018
- Exam period: Gauteng June
- Paper: 1
- Curriculum: CAPS
- Pages: 8

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## About this document

Mathematics · Grade 11 · Gauteng June · 2018. Question paper, 8 pages. Read online or download the PDF.

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## Document text

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### Page 1

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                GAUTENG DEPARTMENT OF EDUCATION
                    PROVINCIAL EXAMINATION
                          JUNE 2018
                           GRADE 11

                         MATHEMATICS

                            PAPER 1

TIME: 2 hours

MARKS: 100

8 pages

                                                  P.T.O.

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                                                       MATHEMATICS                                    2
                                                       Paper 1                     GRADE 11

                            GAUTENG DEPARTMENT OF EDUCATION
                                    PROVINCIAL EXAMINATION

                                                               MATHEMATICS
                                                               (Paper 1)

                                                               TIME: 2 hours

                                                               MARKS: 100

INSTRUCTIONS AND INFORMATION

Read the following instructions carefully before answering the questions.

1.   This question paper consists of SIX questions. Answer ALL the questions.

2.   Cleary show ALL calculations, diagrams, graphs, et cetera, which were used in determining the
     answers.

3.   An approved scientific calculator (non-programmable and non-graphical) must be used.

4.   Answers should be rounded off to TWO decimal places, unless stated otherwise.

5.   Number the answers according to the numbering on the question paper.

6.   Diagrams are NOT necessarily drawn to scale.

7.   Answers only will NOT necessarily be awarded full marks.

8.   Write neatly and legibly IN BLUE or BLACK PEN.

                                                                                                     P.T.O.

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                                                      MATHEMATICS                              3
                                                      Paper 1                      GRADE 11

QUESTION 1                                                                                      [26]

1.1 Determine the value(s) of x for which the following expressions are defined.

     1.1.1        x 3                                                                          (1)

               1
     1.1.2
              x3                                                                               (1)

                                     3x  1
1.2 For which values of x will k =          be non-real?
                                      x 1                                                      (2)

1.3 Solve for x.

                          1
     1.3.1    (x + 1)  x   = 0
                          2                                                                   (2)

     1.3.2    x2 + x – 1 = 0 (Correct to TWO decimal places)                                    (4)

     1.3.3    x2 – 2x + 1 ≤ 0                                                                   (2)

     1.3.4    x + 3 x 1 = 1                                                                    (5)

     1.3.5    3x + 3x + 3x = 34                                                                 (3)

1.4 Solve x and y simultaneously.

     x2 + 2xy = 3y2

     2y – x = 6                                                                                 (6)

                                                                                              P.T.O.

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                                                           MATHEMATICS                             4
                                                           Paper 1                  GRADE 11

QUESTION 2                                                                                          [16]

2.1 Simplify without the use of a calculator.

     3 12  75                                                                                         (3)

2.2 WITHOUT the use of a calculator, show that:

     2.2.1    22010 + 22012 = 5.22010                                                                  (2)

     2.2.2                                   2 2010  2 2012  10
              Hence calculate the value of
                                                  2 2009  1                                           (4)

2.3 Simplify:

     2.3.1    x–1 + y–1                                                                                (3)

     2.3.2    Hence determine the sum of the reciprocals of two variables if their sum is equal
              to 10 and their product is equal to 20.                                                  (4)

                                                                                                  P.T.O.

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                                                         MATHEMATICS                       5
                                                         Paper 1               GRADE 11

QUESTION 3                                                                                  [20]

3.1 Consider the following number pattern:

                                        1; –3; –9; –17; …

     3.1.1   Write down the next 2 terms of the sequence.                                      (2)

     3.1.2   Determine the general term for the number pattern.                                (4)

     3.1.3   Determine the value of the 30th term in the number pattern.                       (2)

     3.1.4   Which term in the pattern will have a value of –7479?                             (3)

3.2 Consider the following continuous pattern below that emerges when odd numbers are
    added.

                                                1=1

                                             1+3=4

                                         1+3+5=9

                               1 + 3 + 5 + 9 + 7 = 16

             Hence calculate the value of the pattern:

                     1 + 3 + 5 + 7 + … + 1001                                                  (6)

3.3 A grade 10 Mathematics test consists of 100 multiple choice questions.
    A candidate answers 5n – 2 of these questions in the designated time.

     How many questions did the candidate answer?                                              (3)

                                                                                          P.T.O.

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                                                           MATHEMATICS                                6
                                                           Paper 1                     GRADE 11

QUESTION 4                                                                                             [10]

The graph of f (x) = 3x, is drawn below with           .

Point A is the y-intercept of the graph.

                                                   y

                                                                                  x

4.1 Write down the coordinates of point A.                                                                (2)

4.2 A new graph g is formed when the graph of f is reflected in the y-axis.

      4.2.1    Write down the equation of g.                                                              (2)

      4.2.2    Sketch the graph of g in your ANSWER BOOK. Clearly indicate all intercepts
               with the axes.                                                                             (3)

4.3 The graph of k(x) = 3–x + 1 + 2 is formed as the result of a transformation of the graph of f.

     Describe the transformation of the graph of f to the graph of k.                                     (3)

                                                                                                     P.T.O.

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                                                        MATHEMATICS                              7
                                                        Paper 1                      GRADE 11

QUESTION 5                                                                                        [20]

The graphs of g (x) = –2x2 + 4x + 16 and f (x) = x
                                                  12 + q are drawn below.
                                                    p
Point Q is the turning point and point D and point E are the x- intercepts of g.
The horizontal and vertical asymptotes of f intersect the graph of g at point Q and point D
respectively.
                                                  y

                                                  Q
                                                                                       f
               f

                                         D       O             E                       x

                                                                   g

5.1 Show that g can be represented by the equation g(x) = –2(x – 1)2 + 18.                           (4)

5.2 Hence, or otherwise, determine the coordinates of point Q.                                       (2)

5.3 Calculate the coordinates of point D and point E.                                                (4)

5.4 Determine the equations of the asymptotes of f and state the value of p and q                    (4)

5.5 Determine for which values of x the graph of g will decrease.                                    (2)

5.6 Write down the range of g.                                                                       (2)

5.7 Write down the domain of f.                                                                      (2)

                                                                                                P.T.O.

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                                                          MATHEMATICS                             8
                                                          Paper 1                    GRADE 11

QUESTION 6                                                                                            [8]

The sketch below represents the graph of f (x) = –2x2 + bx + c, where point D(1 ; 8) is the
turning point of f.

The graph of f intersects the x- axis at point P and point Q respectively.

                                                      y

                                                                             x

6.1 Determine the values of b and c.                                                                  (5)

6.2 The graph of g represents f when f is translated 2 units left and 3 units up.
    Determine the equation of g.                                                                      (3)

                                                                                         TOTAL:   100

                                                    END

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