1.
Find –1 + 2.
A.
1
B.
–3
C.
3
D.
–1
Hint
2.
Find –4 – 6.
A.
–2
B.
10
C.
2
D.
–10
Hint
3.
Find –2 – (–7).
A.
–9
B.
–5
C.
9
D.
5
Hint
4.
Find the sum. Then find a subtraction equation that is equivalent to the addition equation.
–8 + –3
A.
–8 + –3 = –5
–8 – 3 = –5
B.
–8 + –3 = –11
–8 – 3 = –11
C.
–8 + –3 = 11
–8 – 3 = 11
D.
–8 + –3 = –11
–8 – 3 = 11
Hint
5.
The formula for converting Celsius temperatures (
C
) to Kelvin (
K
) temperatures is
K
=
C
+ 273. Find the Kelvin scale temperature of –98°
C
.
A.
–371
K
B.
371
K
C.
175
K
D.
–175
K
Hint