Quadratics
4xsquared-22=xsquared+5
X=3, -3
3xsquared(2xsquared-4x+1)
6x(4th)-12xcubed+3xsquared
In a certain Algebra 2 class of 29 students, 7 of them play basketball and 24 of them play baseball. There are 3 students who play neither sport. What is the probability that a student chosen randomly from the class plays both basketball and baseball?
5 over 29
Ashley invested $19,000 in an account paying an interest rate of 4.7% compounded continuously. Assuming no deposits or withdrawals are made, how much money, to the nearest hundred dollars, would be in the account after 9 years?
A≈29000
−8x2nd power−28x=0
x={0,−2/7}
y=xsquared-4x+5
2+i
2-i
(x+10)(x-2)=0
x=2
x=-10
In a certain Algebra 2 class of 27 students, 8 of them play basketball and 7 of them play baseball. There are 14 students who play neither sport. What is the probability that a student chosen randomly from the class plays basketball or baseball?
Probability: 27/13
Hunter invested $97,000 in an account paying an interest rate of 2.6% compounded annually. Assuming no deposits or withdrawals are made, how much money, to the nearest hundred dollars, would be in the account after 10 years?
A≈125400
−2x3rd power−x2nd power+18x+9=0
x={−2/1,−3,3}
xsquared+9x+18=0
x= -6
x= -3
(3-2xsquared)-(xsquared+6-x)
-3xsquared+x-3
There is a spinner with 11 equal areas, numbered 1 through 11. If the spinner is spun one time, what is the probability that the result is a multiple of 5 or a multiple of 2?
6/11
Ellie invested $21,000 in an account paying an interest rate of 3.9% compounded monthly. Assuming no deposits or withdrawals are made, how long would it take, to the nearest year, for the value of the account to reach $30,000?
t≈9
3x(4th)+12xsquared=0
x=(0,2i,-2i)
2xsquared-8=0
x=2, -2
f(x)=xsquared-x-6
x=3
x=-2
In a certain Algebra 2 class of 24 students, 12 of them play basketball and 7 of them play baseball. There are 4 students who play both sports. What is the probability that a student chosen randomly from the class plays basketball or baseball?
24/15 or 8/5 or 0.625
Camila invested $9,100 in an account paying an interest rate of 2.7% compounded monthly. Assuming no deposits or withdrawals are made, how long would it take, to the nearest year, for the value of the account to reach $14,830?
t≈18
4x3rd+5x2nd=0
x=(0,-5/4)
xsquared+2x-3=0
x=1
x=-3
(8x-3)x(3x x 9)
11x+6
In a certain Algebra 2 class of 24 students, 5 of them play basketball and 9 of them play baseball. There are 12 students who play neither sport. What is the probability that a student chosen randomly from the class plays basketball or baseball?
24/12 or 2/1 or 0.5
Brody invested $540 in an account paying an interest rate of 3.1% compounded continuously. Assuming no deposits or withdrawals are made, how long would it take, to the nearest tenth of a year, for the value of the account to reach $800?
t≈12.7
6x3rd−8x2nd−36x+48=0
x=(4/3, square root of 6, negative square root of 6