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Answers
1
The sin of 30 degrees divided by the sin of 90 degrees is
0.5
square root of 2 over 2
square root of 3 over 2
undefined
2
Using Properties of Logarithms
B
C
A
D
3
Rewrite using properties of logarithms.
4log3x + 2log3y
8log3xy
log3x4 + log3y2
4log3x - 2log3y
4
A wheel of diameter 2 meters rotates 720 degrees, the wheel travelled a horizontal distance of ___________ meters
1420
4 pi
2 pi
6.28
5
Solve by completing the square
a = 3, -17
a = 4, 1
a = 12, 17
a = -3, 17
6
What is the amplitude of
y
= 2 sin 5
x
?
2⫪/5
-2
2
5
7
Use properties of logarithms and evaluate.
34
2
64
3
8
If f ( x ) = (x
2
+2x-1)/(x
2
+49), there is a vertical asymptote at
x= 7
No X value
x=0
x= -7
9
What is the period of
y
= 2 sin 5
x
?
5/2⫪
5
2⫪/5
2/5
10
1.15: Infinite Limits and Vertical Asymptotes
y=0
DNE
y=5
y=-5
11
If the height of a projectile in feet is given by the function H(t) = -40t
2
+ 80t, which is true?
All of the foregoing
The shape of the graphed function is an upside down parabola
the highest elevation is reached at 1 second
you are not on earth
12
Multiply (6+3i)(6-3i)
-1 + 21 i
45 i
45
12 + 1 i
13
sin(-210) is equal to
sin 150
all of the foregoing
sin 30
- cos 120
14
Factoring
( y + 10 ) ( y - 4 )
( y + 5 ) ( y + 8 )
( y - 5 ) ( y - 8 )
( y - 10 ) ( y + 4 )
15
Polynomials
7n2 - 5n
7n - 5
7n + 3
2n4 + 7n - 5
16
Factoring.
25(g)g
(5g - 5)2
(5g +5)(5g - 5)
25g(g - 1)
17
If f(6) = 0 a factor of f(x) is
Need to use synthetic division to get a factor
6x
(x+6)
(x-6)
18
Determine the derivative
6x+3
3x+3
9x+ 3
3x^2 + 6
19
Math SAT
A
D
B
C
