EduNinja

[Maximum number: 3]

(a)

[ 3 ]

(i)

The graph shows the cost, $ c, of travelling a distance, $d \mathrm{~km}$ , with Saanvi's Taxis.

[ 1 ]

(i)

Find the equation of the line.

[ 1 ]

(ii)

Krishna's Taxis cost $ 5 to hire plus $ 2 for each kilometre travelled.

[ 2 ]

(i)

Find an equation for the cost, $ c, of travelling d kilometres with Krishna's Taxis.

c=

[ 2 ]

c=2d+5
M1 for 2d+k or $md+5,\ m\neq0$ .

[Maximum number: 2]

The grid shows a line L.

Find the equation of line L.

Give your answer in the form y=m x+c.

y=

$y=-\frac12x+2$
M1 for rise $\div$ run, y=kx+2 where $k\neq0$ , or $y=-\frac12x+j$ oe

[Maximum number: 2]

Find the equation of line L.

Give your answer in the form y=m x+c.

y=

y=1.5x-2 final answer
B1 for 1.5x+c as final answer, or B1 for mx-2, $m\ne0$ , as final answer

CAIE IGCSE Mathematics Core C3.5 Equations of Linear Graphs Topic Practice