Radical Equations
x=-2
y=sqrt(x)+12
determine value of y, if x is 81
y=21
Omar invested $84,000 in an account paying an interest rate of 6.3% compounded continuously. Assuming no deposits or withdrawals are made, how much money, to the nearest ten dollars, would be in the account after 10 years?
157,720
What is the value of log8 64?
2
Annabelle has 5 posters she wants to hang on the wall. How many different ways can the posters be arranged in a row?
120
sqrt(4x+25)−5=−2
x=-4
y=sqrt(x)-8
determine the value of y, if x is 4
y=-6
Carter invested $260 in an account paying an interest rate of 5.7% compounded annually. Assuming no deposits or withdrawals are made, how much money, to the nearest cent, would be in the account after 6 years?
362.60
1
There are 25 students in a homeroom. How many different ways can they be chosen to be elected President, Vice President, Treasurer, and Secretary?
303600
sqrt(4x+61)−18=−11
x=-3
y=squrt(x)−5
determine the value of y, if x is 49
y = 2
Ellie invested $6,400 in an account paying an interest rate of 5.1% compounded daily. Assuming no deposits or withdrawals are made, how much money, to the nearest hundred dollars, would be in the account after 13 years?
12,400
What is the value of log2 2?
1
There are 20 students in a homeroom. How many different ways can they be chosen to be elected President, Vice President, Treasurer, and Secretary?
116280
sqrt(2x+72)−7=1
x=-4
y=sqrt(x)+2
determine y, if x is 1
y = 3
Claire invested $250 in an account paying an interest rate of 2.8% compounded continuously. Assuming no deposits or withdrawals are made, how much money, to the nearest hundred dollars, would be in the account after 12 years?
300
What is the value of log9 81?
2
There are 29 students in a homeroom. How many different ways can they be chosen to be elected President, Vice President, and Treasurer?
21924
sqrt(5x+44)+3=11
x=4
y=sqrt(x)-10
determine the value of y, if x is 9
y=-7
Arun invested $11,000 in an account paying an interest rate of 4.7% compounded monthly. Assuming no deposits or withdrawals are made, how much money, to the nearest hundred dollars, would be in the account after 14 years?
21,200
What is the value of log9 729?
3
A lock has a 3-number code made up of 17 numbers. If none of the numbers are allowed to repeat, how many different ways can you choose three different numbers in order for a unique code?
4080