Straight Line Past Papers Unit 1 Outcome 1 - Mathsrevision.com
Straight Line Past Papers Unit 1 Outcome 1 - Mathsrevision.com
Straight Line Past Papers Unit 1 Outcome 1 - Mathsrevision.com
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Higher Mathematics<br />
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<strong>Straight</strong> <strong>Line</strong> <strong>Past</strong> <strong>Papers</strong> <strong>Unit</strong> 1 <strong>Out<strong>com</strong>e</strong> 1<br />
Multiple Choice Questions<br />
Each correct answer in this section is worth two marks.<br />
1. The line with equation y = ax + 4 is<br />
perpendicular to the line with<br />
equation 3x + y + 1 = 0.<br />
What is the value of a?<br />
A. −3<br />
B. − 1 3<br />
C.<br />
1<br />
3<br />
D. 3<br />
[END OF MULTIPLE CHOICE QUESTIONS]<br />
Written Questions<br />
[SQA]<br />
2.<br />
Find the equation of the perpendicular bisector of the line joining A(2, −1) and<br />
B(8, 3). 4<br />
[SQA]<br />
3.<br />
Find the equation of the straight line which is parallel to the line with equation<br />
2x + 3y = 5 and which passes through the point (2, −1). 3<br />
[SQA]<br />
4.<br />
Find the equation of the line through the point (3, −5) which is parallel to the line<br />
with equation 3x + 2y − 5 = 0. 2<br />
[SQA]<br />
5.<br />
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[SQA] 6. Find the size of the angle a ◦ PSfrag replacements<br />
that the line<br />
joining the points A(0, −1) and B(3 √ 3, 2)<br />
y<br />
B(3 √ 3, 2)<br />
makes with the positive direction of the<br />
x-axis. a ◦<br />
3<br />
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A(0, −1)<br />
[SQA]<br />
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[SQA] 16. Triangle ABC has vertices A(−1, 6),<br />
B(−3, −2) and C(5, 2).<br />
A(−1, 6)<br />
Find<br />
(a) the equation of the line PSfrag p, replacements<br />
the<br />
median from C of triangle ABC. C(5, 2) 3<br />
(b) the equation of the line q, the<br />
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perpendicular bisector of BC. x 4<br />
(c) the coordinates of the point of<br />
B(−3, −2)<br />
intersection of the lines p and q. 1<br />
y<br />
[SQA] 17. Triangle ABC has vertices A(2, 2), y<br />
B(12, 2) and C(8, 6). PSfrag replacements<br />
C(8, 6)<br />
(a) Write down the equation of l 1 ,<br />
the perpendicular bisector of<br />
AB. 1<br />
A(2, 2) B(12, 2)<br />
(b) Find the equation of l 2 , the<br />
perpendicular bisector of AC. O<br />
x 4<br />
(c) Find the point of intersection of<br />
lines l 1 and l 2 . 1<br />
(d) Hence find the equation of the<br />
circle passing through A, B and<br />
C. 2<br />
[SQA]<br />
18.<br />
The vertices of a triangle are P(−1, 1), Q(2, 1) and R(−6, 2). Find the equation of<br />
the altitude of triangle PQR, drawn from P. 3<br />
[SQA] 19. Find the equation of the median AD of triangle ABC where the coordinates of A,<br />
B and C are (−2, 3), (−3, −4) and (5, 2) respectively. 3<br />
[END OF WRITTEN QUESTIONS]<br />
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