22.–(53) + (12 (–4)) =
a.–
b.–
c. 12
d. 18
23.–2 (–2)^2 – 2^2 =
a. 4
b.–
c.–
d. 12
24.(3^2 + 6) (–24 8) =
a.–
b. 5
c. 4
d.–
25.(–2[1 –2(4 – 7)]^2 =
a.–
b. 36
c. 28
d. 196
26.3(5 – 3)^2 –3(5^2 – 3^2 )=
a. 9
b.–
c. 15
d. 0
27.–(–2 –(–11 – (–3^2 – 5) – 2)) =
a. 3
b.–
c. 4
d.–
28.Ifg0 and h0, which of the following
quantities is always positive?
a.gh
b.g+ h
c.g– h
d.|h| – |g|
e.h^2
29.If g0 and h0, which of the following
quantities cannot be negative?
a.gh
b.g+ h
c.–g –h
d. 2 g+ 3h
30.Ifg0 and h0, which of the following
quantities is the largest?
a.–g + h
b.g – h
c.g + h
d.–g –h
31.Ifg0 and h0, which of the following
quantities is the smallest?
a.–g + h
b.g– h
c.g + h
d.–g –h
32.If g–2, which of the following quantities is
the largest?
a.g
b.–g
c.–g^2
d.(–g)^2
- PRE-ALGEBRA FUNDAMENTALS–