Simplify:
(4x^4y^3)/(2xy
2x^3y^2
Simplify:
(4x^2+5)-(3x^2-7)
x^2+12
Growth or Decay? Which number tells you?
y=2(0.5)^x
Decay; 0.5
Is this a function? Why or why not?
Yes, it passes the vertical line test
(Or, each x has only 1 y)
Solve:
4x^2=100
x = 5, -5
Name one of the two teachers who plays guitar on the first floor. Bonus for both names.
Mr. Arnest and Mr. Dodds
Simplify:
(4x^2+5)+(3x^2-7)
7x^2-2
A house in Nashville is worth $120,000. The value of the house increases at a rate of 3% per year. How many years will it take for the house to be worth $152,000? Hint: Use
y=a(1+r)^t
8 years
Is this a function? Why or why not?
No, 3 goes to 5 and to 2.
Solve:
5|x+2|=20
x=2 and x=-6
Simplify:
5x^0
5
What is Ms. Swiatko's first name?
Jessica
Jan puts $3,000 into a bank account. The amount in the account increases by 5% per year (called interest).
How much money will Jan have in 5 years?
$3828
What is the domain and range of:
Domain = 7,9,5
Range = -2,-5, 6, 0
Solve:
7(x-1)^2=28
x = 3 and x = -1
Simplify:
(6x^2)^3
216x^6
Simplify:
(x+2)(x-8)
x^2-6x-16
A car is bought for $18,000 in 2020. The value of the car decreases at a rate of 15% per year.
How much will the car be worth by 2025?
$7986
Who is the principal of Wayne Memorial High School?
Mr. Gildersleeve
Solve:
sqrt(x) +8=12
x = 16
Simplify:
(3x^4)^2(4x^2)^3
576x^14
Simplify:
5(3x^2-x+1)+2(4x^2+x-1)
23x^2-3x+3
What is the name of Ms. Swiatko's son?
Noah
Evaluate f(4) for f(x)=5x-7
f(4)=13
What are the names of Mrs. Roupas' pets?
Holly and Lavender.