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WorksheetsTri 3 Review
Total questions: 24
Worksheet time: 1hrs 21mins
Name
Class
Date
1.
What are the vertices of the hyperbola?
a)
(0, 3) and (0, -3)
b)
(-4, 3) and (-4, -3)
c)
(0, 1) and (0, -1)
d)
(4, 0) and (-4, 0)
2.
Find the directrix of the parabola:
(x - 4)2 = 8(y + 3)
(x - 4)2 = 8(y + 3)
a)
y = - 3
b)
x= 5
c)
y= - 5
d)
y= 2
3.
What is the focus of the following parabola?
(y + 5)2 = -12 (x - 2)
(y + 5)2 = -12 (x - 2)
a)
(2, - 5)
b)
( -5, 2)
c)
(1 , -5 )
d)
(-1, -5 )
4.
What is the center of the ellipse?
a)
(0, 0)
b)
(1, 5)
c)
(1, 0)
d)
(0, 1)
5.
What number would go in the blank?
a)
-2
b)
-4
c)
-8
d)
-16
6.
Find m<C
a)
A
b)
B
c)
C
d)
D
7.
2
a)
A
b)
B
c)
C
d)
D
8.
Which equation represents the polar graph?
a)
r = sin θ
b)
r = sin 4θ
c)
r = 4 sin θ
d)
r = 4 cos θ
9.
Which equation represents the polar graph?
a)
r = sin 4θ
b)
r = 6 sin 2θ
c)
r = 6 cos 2θ
d)
r = cos 4θ
10.
Determine the polar equation of the given graph.
a)
r² = -9sin(2θ)
b)
r² = 9cos(2θ)
c)
r² = -9cos(2θ)
d)
r² = 9sin(2θ)
11.
What is this formula?
a)
This is the speed of light formula.
b)
This is the quadratic formula.
c)
This is the zero product property.
d)
This is scary.
12.
a)
A
b)
B
c)
C
d)
D
13.
Solve:
log x + log 8 = 2
log x + log 8 = 2
a)
10
b)
12.5
c)
15
d)
17.5
14.
Solve:
log4x2 - log4(x-1) = 1
log4x2 - log4(x-1) = 1
a)
4
b)
3
c)
2
d)
1
15.
Write an equation that represents the following scenario: Chlorine kills germs at a rate of 0.8% every second. The dish starts with 7000 germs. How many germs do you have after x seconds?
a)
y=7000(1.008)x
b)
y=.992(7000)x
c)
y=7000(.992)x
d)
y=7000(.92)x
16.
Write an equation to represent the following scenario: The population of a small town increases by 15% every year. If the population began with 730 people, how many people would there be in x year?
a)
y=730(1.15)x
b)
y=1.15(730)x
c)
y=730(15)x
d)
y=730(.85)x
17.
x2 - y = -2
-x + y = 4
-x + y = 4
a)
(-2, 2), (1, 5)
b)
(2, -1)
c)
(2, 6), (-1, 3)
d)
(0, 4), (3, 7)
18.
Convert the polar coordinates to rectangular form.
(6, 2π/3)
(6, 2π/3)
a)
( -3, 3)
b)
(3, 3√3)
c)
(-3, 3√3)
d)
(3, -3√3)
19.
Which asymptote(s) are determined by looking at the denominator?
a)
vertical
b)
horizontal
c)
end behavior
d)
none
20.
What is the horizontal asymptote of the function?
a)
y=0
b)
y=1/3
c)
none
21.
State the horizontal asymptote: (2x2-5x +1)/(x2-x)
a)
y = 2
b)
y = 1
c)
y = 0
d)
There is no HA
22.
What is the period for y = 4cos(1/2x +π) - 2?
a)
π/2
b)
π
c)
3π
d)
4π
23.
Which formula do you use to discover the Period/Cycle for sin and cos?
a)
Period=2π/Frequency
b)
Frequency=2π
c)
Period=2π
d)
Frequency=π/4
24.
4|5x-2|+7>39
a)
-6/5<x>2
b)
x=2 or x=-6/5
c)
x=2 and x=-6/5
d)
x<-6/5 or x>2
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