Skip to main content
Google Tag Manager
Main menu
About
FAQ
Contact
Privacy
User menu
Register
Login
You are here
Home
Antarctic temperatures
This task is about linear equations that show change in temperature.
Temperatures at Scott Base are measured at 6:00 a.m. in the morning, and 6:00 p.m. in the evening.
One Wednesday evening the temperature was
^{–}
25°C. It had risen 13°C since the morning.
Question
2
Change answer
a) This equation shows the temperature change on that Wednesday.
t
+ 13 =
^{– }
25
a) This equation shows the temperature change on that Wednesday.
t
+ 13 =
^{– }
25
i) What does
t
represent in the equation above?
ii) What is the value of
t
?
°C
Question
2
Change answer
b) This equation describes the change in temperature from that Wednesday evening to the following Thursday morning.
^{–}
25 +
x
=
^{ –}
16
b) This equation describes the change in temperature from that Wednesday evening to the following Thursday morning.
^{–}
25 +
x
=
^{ –}
16
i) What was the temperature on Thursday morning?
°C
ii) By how much did the temperature change overnight?
°C