Font size
S
M
L
XL
WorksheetsPC Solving Equations Review
Total questions: 15
Worksheet time: 56mins
Name
Class
Date
1.
n = (a)
2.
Look for two answers!
a)
6
b)
9
c)
-6
d)
-9
3.
Solve and check your solution(s). Look out for extraneous solutions!
(a)
4.
Solve.
a)
x = 5
b)
x = -3
c)
x = 3
d)
x = -5
5.
Solve for x: x+22+x−25=x2−46
a)
7
b)
6
c)
14
d)
0
6.
Solve. (2x - 5)1/3 = 3
(a)
7.
Solve for x:
(x + 2)1/2 - 5 = -2
(a)
8.
8v - 4(v + 8) = 8
a)
2
b)
10
c)
4
d)
-4
9.
Solve the equation:
x/3+ 10 = 15
x/3+ 10 = 15
a)
75
b)
15
c)
25
d)
5
10.
Solve: −159=6x−3(−3x−7)
a)
-14
b)
14
c)
12
d)
-12
11.
3x - x + 4 = 4(2x +1)
a)
no solution
b)
all real numbers (infinite)
c)
x = 6
d)
x = 0
12.
2 sinθ + 3 = 2
a)
π/6,2π/3
b)
7π/6
c)
7π/6, 11π/6
13.
Solve on the domain [0, 2π)
4sin2x = 3
4sin2x = 3
a)
π/6, 11π/6
b)
π/3, 2π/3
c)
π/6, 5π/6, 7π/6, 11π/6
d)
π/3, 2π/3, 4π/3, 5π/3
14.
Solve
2cos2θ -1=0
on the interval [0, 2π)
a)
θ = π /4, 7π /4
b)
θ = π /4, 3π /4
c)
θ = 3π /4, 5π /4
d)
θ = π /4, 3π /4, 5π /4, 7π /4
15.
Why doesn't 2cosx − 3 = 0 have solutions?
a)
cosx is never bigger than one
b)
cosx is never equal to a fraction
c)
Actually, this equation does have a solution, x = π
d)
This equation will have a solution tomorrow.
Reset
