Font size
S
M
L
XL
WorksheetsQZ-2 MA: Review Logarithmic and Exponential Equations
Total questions: 25
Worksheet time: 2hrs 5mins
Name
Class
Date
1.
32x – 6 = 81
a)
x = log 4
b)
x = 5
c)
x = 4
d)
x = -1
2.
2 * 43x – 6 – 8 = 120
a)
x = 3
b)
x = 4
c)
x = 2.9
d)
x = 8
3.
log2(2) + log2(8x) = 6
a)
x = 3
b)
x = 2
c)
x = 6
d)
x = 4
4.
log6(2x + 3) = 3
a)
x = 106.5
b)
x = 100
c)
x = 16
d)
x = 50
5.
2log (2x)4 = 16
a)
x = 4
b)
x = 10
c)
x = 50
d)
x = 2
6.
log x - log 8 = 3
a)
x = 1000
b)
x = 800
c)
x = 8000
d)
x = 100
7.
log5(4x-7)=log5(x+5)
a)
3
b)
12
c)
4
d)
7
8.
7n+10- 8 = 6
a)
-7.374
b)
-8.643
c)
-7.360
d)
-8.853
9.
To solve, 165x = 64x+7, what would be the correct set-up?
There is more than one correct answer.
a)
44(5x)=416(x+7)
b)
82(5x)=88(x+7)
c)
42(5x)=43(x+7)
d)
24(5x)=26(x+7)
10.
Solve the equation for x.
a)
32
b)
25
c)
1.66
d)
512
11.
Solve the equation for x.
a)
998
b)
-1.523
c)
0.477
d)
0
12.
Solve each equation. Select the closest answer.
a)
-0.3
b)
-0.4
c)
-0.2
d)
No solution
13.
Solve each equation. Select the closest answer.
a)
8
b)
-10
c)
75
d)
20
14.
7n+10- 8 = 6
a)
-7.374
b)
-8.643
c)
-7.360
d)
-8.853
15.
log(x+6) = 1
a)
4
b)
4.222
c)
-5
d)
-9.550
16.
Solve
a)
46/5
b)
5/46
c)
-46/5
d)
-5/46
17.
Solve the equation:
62x=6(−x−1)
a)
−31
b)
815
c)
5
d)
1019
18.
Solve the equation:
5(2−3x)=25
a)
57
b)
−43
c)
−67
d)
0
19.
Solve the equation:
32(−3x+1)=(41)5x
a)
1
b)
81
c)
5
d)
51
20.
Solve the equation:
42x = 7
a)
0
b)
1.311
c)
.364
d)
.702
21.
Solve:
log2 x + log2 (x + 5) = log2 (3x + 8)
a)
x = 2
b)
x = -4
c)
x = 2 and x = -4
d)
no solution
22.
Expand the logarithm
log10 7x
log10 7x
a)
(log10 7)(log10 x)
b)
log10 7 + log10 x
c)
7log10 x
d)
xlog10 7
23.
Rewrite logpt = m in exponential form.
a)
pt = m
b)
tm = p
c)
mt = p
d)
pm = t
24.
Change to Exponential Form:
log636 = 2
log636 = 2
a)
26=36
b)
62=36
c)
362=6
d)
366=2
25.
Write logb(x/y) as two logs
a)
logbx-logby
b)
logbx+logby
c)
logbx*logby
d)
logbx/logby
Reset
