1.
Find 4 + (–5).
A.
–9
B.
1
C.
–1
D.
9
Hint
2.
Find –1 + 2.
A.
1
B.
3
C.
–3
D.
–1
Hint
3.
Find –2 – (–7).
A.
–5
B.
9
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 = 11
–8 – 3 = 11
B.
–8 + –3 = –11
–8 – 3 = 11
C.
–8 + –3 = –5
–8 – 3 = –5
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.
–175
K
C.
371
K
D.
175
K
Hint