Logs!
Condense: log5+log2=
What is log10?
Write the exponential equation 4^5= 1,024 in logarithmic form.
What is log 4 1,024 = 5 ?
If there are initially 3000 bacteria in a culture, and the number of bacteria increase by 10% each hour, how many bacteria will there be in 5 hours? Round to the nearest whole number.
What is 4831 bacteria?
Solve: 8 (2x)=8 (x+7)
What is x=7?
Solve: log x = 3
What is 1000?
Condense: 2log(a)-log3
What is log (a2/3)?
Write the exponential equation 27 (1/3) = 3 in logarithmic form.
What is log 27 3 = 1/3 ?
If there are initially 3000 bacteria in a culture, and the number of bacteria increase by 25% each hour until they reach 5850 bacteria.
What is the multiplier? Set up the equation. (don't solve)
What is 1.25? What is 5850=3000(1.25)x
Solve: 4(5)x=24
What is x=1.11 ?
log 3 x = 5
What is x = 243 ?
Expand: log(ab2)
What is loga+ 2logb?
Write the exponential equation (1/2)-3=8 in logarithmic form.
What is log (1/2) 8 = -3
The 8 mL of ink in my pen was decreasing at a rate of 10% per word. After how many words will my ink be down to 1 mL? DON'T SOLVE! Just set up the equation!
What situation is 1=8 (0.9)x ?
Solve: e (2x) =e (x+4)
What is x=4?
Solve: 3log 2 x = 9 Round your answer to two decimal places.
What is x= 8?
Expand: log (a3b4/c)
What is 3loga+4logb-logc ?
Is the graph y= .7x increasing or decreasing, and is it a function?
What is decreasing and yes, a function?
If there are initially 3000 bacteria in a culture, and the number of bacteria increase by 25% each hour, after how many hours will you reach approximately 5,850 bacteria?
What is 3 hours?
Solve: 3(2)(x-4)= 15 Round your answer to two decimal places.
What is x= 6.32 ?
Solve: 4 log 2 (x - 7) = 16 Round your answer to two decimal places.
What is x= 23 ?
Condense: 3log2+2log5-log4
What is log (23x52/4) = log(8x25/4) = log(200/4) =log(50) ?
Simplify log e e (3x)
What is 3x?
The 8 mL of ink in my pen was decreasing at a rate of 10% per word. After how many words will my ink be down to 1 mL?
What is approximately 7 words?
Solve: 10^(2x+1) + 2 = 4 Round your answer to two decimal places.
What is x = -0.35 ?
log3(4x)+5=7
What is x=2.25?