Logs (with rhythm!)
Review in exponential form:
logx100=2
x2=100
Factor: (x2-16)
(x+4)(x-4)
Draw a sin curve on the board and cos curve on the board and LABEL each one!
=)
What is the inverse of (-2,6)
(6,-2)
How many years until Mr. Lessig can retire?
5 years
What are the two points a log graph passes through?
(1,0) and (b,1)
Divide:
(x2-2x-15)/(x+3)
(x-5)
What is the reciprocal of sin?
csc
evaluate (-3x4)2
9x8
What months are Lessig and Gaylor's birthdays in?
July/January
Write as one log:
log2(3)+2log2(x)
log23x2
If the roots of a polynomial are -2, and 3, what are the factors
(x+2)(x-3)
What quadrant is cot > 0 and sec < 0
Quadrant III
What is the transformation of y=log2x
y=3+2log2(x-4)
Right 4
Up 3
Stretched 2
What college does Mr. Lessig's daughter attend?
Delaware
(Write on board)
Expand: log Squareroot of x divided by y to the 5th
1/2 log(x)-5log(y)
Factor Completely:
x4-x2-12
(x+2)(x-2)(x2+3)
Convert 120 degrees to radians
2pi/3
Mike invests $1,000 compounded annually at 1.5%. How much money will he have after 10 years?
$1160.54
Where did Mr. Lessig and Mrs. G go to High School? (What town?)
Valley Stream and West Islip
log2(x2-1)=log2(8)
x = -3
x = 3
Is x-2 a factor of x3+x2-34x=56? Why or Why not?
No, because the remainder is -112.
What is the period of
f(X) 2sin(3x) -1
2pi/3
9x+1=27x
x=2
What are the names of Mr. Lessig and Mrs. G's Dogs?
Bryce, Violet, Rosie