Show:
Equations
Interest and Inequalities
Linear
Potpourri
Growth and Decay
100
Simplify: 2n + 1 + 9 - 3n
What is (-n + 10)?
100
Calculate the simple interest if P = $45,000, r = 12%, and t = 2 years.
What is $10,800?
100
Identify the slope and y-intercept from the equation: y = 3x - 8
What is m = 3 and b = -8
100
Determine if the following is a relation or a function: {(3,2), (-3,-5), (8,2), (-1,4)}
What is a function?
100
Does the following show growth or decay? 200(1 + 0.04)^(4)
What is growth?
200
Solve for the variable: -2(7r + 8) = -14
What is (7)?
200
Shaun borrowed $10,285 for 5 years at 3.2% compounded quarterly. What total will he pay back?
What is $12,061.88?
200
This slope passes through (0, 4) and (2, 8).
What is 2?
200
Find the midpoint between these two points: (-6, -3) and (10, 15)
What is (2,6)?
200
Does the following show growth or decay? 5000(0.97)^(12)
What is decay?
300
Translate the following into an equation: Twice the sum of a number and 4 is equal to the number less than 28.
What is 2(x +4) = 28 - x?
300
Simplify the following inequality: -7k < 14
What is k > -2?
300
A cell phone company charges a monthly fee of $25 plus $0.12 per minute. How much will it cost if you use the phone for 462 minutes?
What is $80.44?
300
What is standard form?
What is ax + by = c?
300
A population of 128,369 is increasing at a rate of 5% per year. How many will there be in 10 years?
What is 209,099
400
The sum of two numbers is 134. The smaller number is 18 less than the larger number. What is the larger number?
What is 76?
400
Simplify: -47 < 6n + 7 < 67
What is -9 < n < 10?
400
A taxi cab company charges a $12 pick up fee plus $.22 per mile. How many miles can you go if you have $25?
What is 59 miles?
400
What method let's us find the x and y intercepts when an equation is in standard form?
What is the cover up method?
400
You bought a car for $18,760. The value is depreciating by 6.9% each year. What will the value be in 5 years?
What is $13,121.43?
500
Evaluate f(x) = 10x + 7 for f(-3) and f(x) = 27
What is f(-3) = -23 and 27 = f(2)?
500
If Mike borrowed $24,000 at 3.6% compounded semi-annually, how much will be owe in 2020?
What is $29,729.29?
500
What is the slope in the following equation? 2x + 6y = 12
What is -(1/3)?
500
Kate and Mindy are sisters. Their ages add up to 37. The difference between their ages is 11. How old are they?
What is 24 and 13?
500
What is the growth and decay formula?
(Answer)