2) Find the equation of a line that passes through the points (-2, 3) and (3, 7), giving your answer in the form 𝑎𝑥 + 𝑏𝑦 + 𝑐 = 0, what is number of 𝑎 + 𝑏 + 𝑐.
19
20
21
22
3) The canopy of a parachute and the outermost connecting cords form a sector of a circle as shown in the diagram below, with the parachutist modelled as a particle at point 𝑂.
The area of the sector 𝑂𝐵𝐴 is
Find the length of one of the connecting cords on the parachute.
1.1
1.5
1.8
3.2
4) For each of the following, find in terms of x
𝑦 = (2𝑥 + 3)(3𝑥 − 1)
12𝑥 + 7
2𝑥 + 3
12𝑥 + 4
2𝑥 − 5
5) Given 𝑦 = 2𝑡2+ 𝑡− 3t-4, find ∫ 𝑦 dt
6) The first term of a geometric series is 𝑎, and its common ratio is 5. A different geometric series has first term 𝑏 and common ratio 3. The sum of the first three terms of both series is the same. Find the value of , giving your answer as a fraction in simplest terms.
12/21
13/31
14/41
15/51
7) The sum of solutions of 22𝑥 − 24(2𝑥) + 128 = 0
7
8
9
10
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