Using linear combinations, how many solutions does this system have:
5x+3y=12
15x+9y=10
What is no solution
100
Simplify
3^6x3^2
What is 3^8
100
Write in decimal form:
2.13x10^4
What is 21,300
100
Using the formula W=C(1=r)^t, solve this word problem:
A population of 20 rabbits is released into a wild-life region. The population triples each year for 5 years.
1.What is the population after 5 years?
What is about 4,860 rabbits
100
Find the square root of 64
What is +or - 8
200
Using substitution, what are the values of x and y
4x-y=81 y=5x
What is 9,45
200
Simplify:
(6^3)^3
What is 6^9
200
Write in decimal form:
8.6521x10^3
What is 8,652.1
200
A business had a $10,000 profit in 1990. Then the profit increased by 25% per year for the nest 10 years.
Write an exponential growth model
What is P=10,000(1.25)^t
200
What is the square root of 144
What is + or - 12
300
Use linear combinations to find how many solutions the system has:
6x+8y=30
-3x-4y=-15
What is infinetly many solutions
300
Simplify
(ab^3)^4
What is
a^4b^12
300
Write in decimal form:
4.64x10^-4
What is 0.000464
300
In the exponential decay model, y=C(1-r)^t, what is the decay factor?
What is (1-r)
300
Use the quadratic formula to solve the equation:
4x^2+4x=-1
What is 0;-0.5
400
Using substitution, find if the given pair is a solution
32x+12y= 192
5x+24y=200 3,8
What is no solutions
400
Simplify and Evaluate when a=2 b=3
(ab^2)^3
What is a=8 b=64
400
Write in scientific notation:
98,560
What is 9.856x10^4
400
What is the initial amount in the model, C(1+r)^t
What is C
400
Find the x-intercepts of the graph of the equation:
y=2x^2=6x-9
What is 1.1, -4.1
500
Find the values of x and y
2x+9y=19
x=5y
What is 5,1
500
Complete the Statement using greater, less, or equal
5^2x4^2__(5x4)^4
What is less than
500
Write in scientific notation:
.00675
What is 6.75x10^-3
500
In 1995, you purchase a parcel of land for $8,000. The value of the land depriciates by 4% every year. What will the approximate value of land be in 2002?
What is about $6012 ($6011.58)
500
A lacrosse player throws a ball upward from her playing stick with an initial height of 7 feet, at an initial speed of 90 feet per second.
Use a vertical motion model to find how long it will take to reach the ground.