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chapter 13 triangles
Chapter 8 logarithms
chapter 7 radicals,powers and roots
chapter 9 radical equations and functions
potpourri
100
4 squared + b squared =13 squared
3 times the square root of 17
100
(4) is a base of 4 log(4)16=x
2
100
2x to the 4th power = 162
x is equal to positive or negative 3
100
classify the variation as direct or indirect y/5 =x
direct
100
define Identity
an equation relation such as a=b
200
what is the sine of an angle if the opposite side is 5 and the hypotenuse is 12?
5/12
200
write in exponential form log(5) = a base of 5 log(5)125=3
5 to the third power =125
200
f(x)= 3x to the negative first g(x)=2x-1 g(f(x))=?
(6/x)-1
200
solve 4/x +5/2= -11/x
x=-6
200
define reciprocal and give an example
the inverse of an equation 3/4 is the reciprocal of 4/3
300
what is the cosine of 4 pie divided by 11?
.4154
300
express the given log as a sum and/or difference of logarithms. Simplify, if possible (16) = base of 16 log(16)19/7
log(16)19-log(16)7
300
f(x)=3x to the negative first g(x)=2x-1 determine f(g(X))
3/2x-1
300
solve by cross multiplication 2 divided by x squared -x =1 divided by x-1
x=2 or x=1
300
there are 3 legs to a right triangle side a =12 side b= 12 side c =?
side c = 16.9
400
evaluate the function without using a calculator (cos 315)
the square root of 2 divided by 2
400
write in logarithmic form (7/12)to the negative third= 1728/343
(7/12) = base log(7/12)(1728/343)=-3
400
2x to the power of 2/3 =250
x=25
400
solve by using LCD (6x/x+4)+4 =2x+2/x-1
-3/2 and 2
400
a pumpkin is launched with an initial speed of 125 feet per second at an angle of 45 degrees, and an initial height of 25 feet. How far did the pumpkin go?
513 feet
500
you and a friend are playing soccer, both of you kick the ball with an initial speed of 42 feet per second. Your kick was projected at an angle of 45 degrees and your friends kick was projected at an angle of 60 degrees. How much farther will your ball go than your friends?
7.4 feet further
500
how long will it take for $2800 to grow to $46,800 at an interest rate of 8.8% if the interest is compounded quarterly?
32.35 years
500
use the intersect feature on a calculator to solve the square root of 6.7x +14=9.4
11.009
500
solve by using LCD 4(x-1)/x-1 =2x-2/x+1
-3
500
2 airplanes leave the airport at the same time, the first is headed north and the second is headed 37 degrees east of north, at 2 pm the first airplane is 250 miles from the airport and the second is 316 miles from the airport. How far apart are the planes?
200 miles apart