1.
Solve the equation by backtracking.
A.
a
= 1
B.
a
= 10
C.
a
= –10
D.
a
= -1
Hint
2.
Solve the equation by backtracking.
A.
f
= –24
B.
f
= 16
C.
f
= –21
D.
f
= –28
Hint
3.
Solve the equation by backtracking.
A.
p
= 12 and
p
= –12
B.
p
= –10
C.
p
= 12
D.
p
= –12
Hint
4.
Give the approximate solution of this equation.5 + (2
c
– 3)
2
= 5
A.
c
= –1.5 and
c
= –1.5
B.
c
= 1.5
C.
c
= –1.5
D.
c
= 1.5 and
c
= –1.5
Hint
5.
Give the approximate solutions of this equation.(2
z
– 3)
2
– 31 = 33
A.
z
= 2.5 and
z
= –5.5
B.
z
= –2.5 and
z
= –5.5
C.
z
= 2.5 and
z
= 5.5
D.
z
= –2.5 and
z
= 5.5
Hint