Printable · GCSE Foundation · ages 14-16

Straight-line graphs and y = mx + c worksheet — GCSE Foundation

Fifteen questions on "straight-line graphs and y = mx + c" — DfE statement A9. Print it, or print three versions so neighbours cannot copy by letter; the key gives the letter for each version.

part HigherCalculatoronly 2 unique questions available

VersionsA only A + B A + B + Csame questions, different order

AnswersQuestions only With answer key Key only

CalculatorMixed Non-calculator (Paper 1)Calculator (Papers 2 and 3)

New sheet

Straight-line graphs and y = mx + c worksheet — GCSE Foundation

Maths · GCSE Foundation · A9 · Straight-line graphs and y = mx + c · Calculator · 2 questions

MathsUKwww.geekhero.co.uk

1.A gas company charges a standing charge plus a rate per unit used. The total cost, y in pounds, for using x units is given by y = 0.15x + 20. Work out the cost of using 200 units.
y = 0.15x + 20
(a)£50
(b)£30
(c)£203
(d)£320
2.A plumber charges a call-out fee plus an hourly rate. The total cost, y in pounds, of a job lasting x hours is given by y = 45x + 60. Work out the total cost of a job that lasts 3 hours.
y = 45x + 60
(a)£315
(b)£108
(c)£135
(d)£195

Build your own mix at the worksheet builder.