Money
What is the term for the interest calculated on both the initial principal amount and the accumulated interest?
Compound interest.
Calculate the area of a rectangle with length 8 cm and width 5 cm.
40 square centimeters.
What would be the first term you move to solve for x:
3x-17=30.
-17.
What is x?
2x=10
5.
If you invest $500 at an annual interest rate of 5%, how much interest will you earn after one year?
$25.
Convert 3 meters to centimeters.
300 centimeters.
Solve the equation: 2x + 5 = 13.
x = 4.
What is x?
-x=5
-5
What is the formula for compound interest?
A = P(1 + r/n)^(nt), where A represents the final amount, P is the principal, r is the annual interest rate (expressed as a decimal), n is the number of times interest is compounded per year, and t is the time in years.
What is the SI unit (most common) for measuring length?
Meter (m).
4x - 7 > 5.
x > 3.
What is x?
1/x = 10
1/10
If you have a loan of $2,000 with an annual interest rate of 8%, how much will you owe after 3 years?
Approximately $2,593.28.
If the circumference of a circle is 36π cm, what is its radius?
r = 5.73.
Find the value of x in the equation: 2(x + 3) = 14.
x = 4.
What is x?
x^3=27
3
The interest rate for a loan is 13% p.a. This compounds fortnightly. What is the effective interest rate?
0.005%
What is the volume of a cylinder with height 10 cm and base radius 4 cm?
Approximately 502.65 cubic centimeters.
What is the point of intersection for the lines represented by the equations 4x + 3y = 10 and 2x - y = 5?
(x, y) = (2.5, 0).
What are the two approaches commonly used to solve algebraic equations?
Balance Method (what you do to one side you do to the other) and Opposite Operations (undo equations).