Printable · GCSE Higher · ages 14-16

Simultaneous equations worksheet — GCSE Higher

Fifteen questions on "simultaneous equations" — DfE statement A19. Print it, or print three versions so neighbours cannot copy by letter; the key gives the letter for each version.

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Simultaneous equations worksheet — GCSE Higher

Maths · GCSE Higher · A19 · Simultaneous equations · Calculator · 4 questions

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1.A gym charges a joining fee plus a monthly fee. Anna paid £100 in total after 3 months of membership. Ben paid £160 in total after 6 months of membership (same joining fee and monthly fee as Anna). Work out the monthly fee.
(a)£26.67
(b)£40
(c)£6.67
(d)£20
2.The line y = 2x + 7 and the circle x² + y² = 4 are given. By finding the discriminant of the resulting quadratic, without solving it fully, work out how many points the line and the circle intersect at.
y = 2x + 7
(a)0 — the line does not intersect the circle
(b)It cannot be found without solving the quadratic.
(c)1 — the line is a tangent to the circle
(d)2 — the line crosses the circle at two points
3.A circular pond has equation x² + y² = 20, with lengths in metres from the centre of the garden. A straight path runs along the line y = 2x, entering the pond and leaving it again. Work out the coordinates of the two points where the path meets the edge of the pond.
y = 2x
(a)(2, 4)
(b)(2, 4) and (−2, −4)
(c)(2, 1) and (−2, −1)
(d)(2, −4) and (−2, 4)
4.A cafe sells coffees at £c each and pastries at £p each. Three coffees and two pastries cost £9.60. Two coffees and two pastries cost £7.60. Work out the price of one coffee.
(a)£0.20
(b)£2.00
(c)£3.20
(d)£1.80

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