Vocab
Word Problems
Problems
Vocab
Random
100
What is a variable ?
A variable is the letter in front of the number.
Ex. 5x, x is the variable
100
If you invest $3,000 dollars at a 5% rate for one year, how much will you make a year ?
150
100
(-5)2 -2 x (-9) + 6
49
100
What is the hypotenuse ?
A hypotenuse is a right triangle in which the longest side is opposite of the right angle.
100
What does the "I" stand for in Simple Interest Rate ?
I = Interest
200
What is a coefficient ?
A coefficient is the number in front of the letter.
Ex. 2 in 2y is the coefficient.
200
A cell phone company charges a monthly rate of $12.95 and $0.25 a minute per call. The bill for m minutes is $21.20.
Write an equation that models this situation.
0.25m + 12.95 = 21.20
200
4(3m - 2) = 16
Find m
m = 2
200
What is a right angle ?
A right-angled triangle is a type of triangle that has one of its angles equal to 90 degrees.
200
A sail maker makes two sails by cutting a piece of sailcloth diagonally. If the width of the sailcloth is 5 meters and the diagonal is 13 meters, how many meters is the length?
Hint : Use Pythagorean Theorem
12 meters
300
What is sine function ?
A/H
300
Find the total amount in your account if you start with $750 at 7.5% compounded annually interest for 2.5 years.
$898.63
300
6(8) + 25 - 5(8)/4
63
300
What is initial amount ?
The number or quantity you start with in exponential problems
Ex. y=100(1+0.01), 100 is the initial amount
300
Slove
c = 13
400
What is the function of cosine ?
A/H
400
A cell phone company charges a monthly rate of $12.95 and $0.25 a minute per call. The bill for m minutes is $21.20.
How many minutes were charged on this bill ?
m=33
400
-(-6)+5
4
400
What is linear function ?
A function in which the graph of the solutions forms a line.
400
How many times per year is monthly ?
12
500
What is exponential decay ?
When a population or group of something is declining, and the amount that decreases is proportional to the size of the population, it's called exponential decay.
500
A town with a population of 5,000 grows 3% per year. Find the population at the end of 10 years.
6,720
500
19 + 7(26-48/2)3+ 3 x 6
93
500
What is exponential growth ?
The change that occurs when an original amount is increased by a consistent rate over a period of time.
500
Answer - 100(1 + 0.08)-10
46.31