Mathematics - ACE HSC

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Girraween High School

2016

TRIAL HIGHER SCHOOL CERTIFICATE EXAMINATION

Mathematics General Instructions Total Marks -100 Reading time 5 minutes • Section I Pages 5 - 8 • Working time - 3 hours 10 marks • Write using a black or blue pen • Attempt 1 - JO • Board - approved calculators may be used • Allow about 15 minutes for this section • A laminated reference sheet is provided Answer multiple choice questions on the • Section II Pages 9 - 18 front page • In questions 11 - 16 start all questions on 90 marks • Attempt 11-16 a separate page and show all relevant • Allow about 2 hours and 45 minutes for mathematical. reasoning and/or calculathis section tions

Giii-aween High School Mathematics Trial HSC 2016

Page 3

Section I 10 marks Attempt questions 1 - 10 Allow about 15 minutes for this section Use the multiple-choice answer sheet for Questions 1 - 10. I

Find is the value of loge2016 to three significant figures.

(A) 7.61 (B) 7.60 (C) 7.608 (D) 7.609 2

The graph below shows the maximum stationary point A on the curve y

= f(x).

y

y = f(x) A

X

!--·--------------·----·----

Which of the following is tme at point A? (A) f' (x)

> 0 and f" (x) = 0

(B) f' (x)

< 0 and f" (x) = 0

(C) f' (x)

= 0 and f" (x) > 0

(D) f' (x)

= 0 and f" (x) < 0

Gilrnween High School Mathematics Trial HSC 2016

Pages

3

The equation 2x 2 - 5x - 1 = 0 has roots a and f3. What is the value of~+

t? ·

1

CA)

5

CB) 5

CC) -5 CD)

4

i 5

The coordinates of the focus of the parabola x 2 = 8(y - 3) are: CA) (0, 5) CB) (0, 1)

CC) C5 ,0) CD) (1, 0)

5

1

Ifx=a(b--)then y a

CA) y

= b-x

CB)

Y-

-

CC)

Y-

CD) y

-

a ab-x i

ab-x

= -a - b X

Gllnween High School Mathematics Trial HSC 2016

Page 6

6

Which would give the value of the shaded area? y

y=f(x)

X

2

(A) f0- f(x)dx

7

+ [f01 f(x)dx[

(B)

f~2 f(x)dx + [fo1 f(x)dx[

(C)

[f0- 2 f(x)dx[ + f01 f(x)dx

(D)

[f~

2

f(x)dx[

The solutions to -.ff.sin x

(A)

3

ir

and

4

(B)

3ir

4

+ fo1 f(x)dx

= -1 for O ::; x ::; 2rr are:

sir

4

and

7ir

4

Sir d 7ir (C) -an -

4

4

7ir d 9ir (D) -an -

4

4

Gi.t'raween High School Mathematics Trial HSC 2016

Page 7

8

The solution to the inequality 6 - x - x 2 :5 0 is:

(A) -3 :5 x :5 2 (B) x :5 -3 or x