Exponent Rules
What is (2x2)(3x3)?
6x5
What's the pattern?
2, 5, 8, 11.....
+3
A = 2
B = 1.5
2*1.5x
Mary has 2 plants. Every week, she doubles her collection. How many plants will she have in 6 weeks?
128
Roger has 2 books at the moment. Every week, his collection triples. How many books will he have in week 3?
54
What is 35x7 / 5x3 ?
7x4
What's the pattern?
0.5, 1, 2, 4.....
*2
A = 5
B = (0,5) (1,10) (2,20)
5*2x
Kevin buys a car for $40,000. Every year, it's value depreciates by 8%. How much will it be worth in 4 years?
$28655.72
Martha owns a vintage car worth $15,000. Every year, more people like the car and it's value increases by 3%. How much will the car be worth in 3 years?
$16,390.91
What is (4x3)4 ?
256x12
What's the pattern?
2, 3, 4.5, 6.75.....
*1.5
Y-intercept = -2
Points = (0,-2) (1, -6) (2, -18)
-2*3x
Tracey likes a certain pair of shoes at the store, but does not have the $50 to buy them. She knows that the store marks down their prices by 5% each week something is in stock. How much will the shoes be if she waits 4 weeks to buy them?
$40.73
Jacob is planning a vacation with friends, but is still debating if he wants to go or not. The hotel room at the moment is $175 a night, and every night that he waits to decide the price increases by 3.2%. How much will the hotel room be if he decides to book it in 7 days?
$218.17
What is (2x2)-2 ?
1/4x4
Find the 10th term...
1, 3, 9, .....
19683
Y-intercept = 3
Points = (1, 9) (-1, 1) (0,3)
3*3x
A grocery store is constantly adjusting their prices due to customer demand. A certain box of chocolates costs $7 around valentine's day. After the holiday, the store decreases the price of the box by 20% each day. Assuming some are still left, what will the price of the chocolates be after 4 days?
$2.87
A certain brand of clothing goes viral online. The brand's most popular item at the moment costs $42. Because of their newfound popularity, the brand decides to increases prices by 6.28% each day until their sales go back down. Assuming that sales start to decrease on day 11, what was the highest price of the item?
$82.08
What is 35x3 / 7x9 ?
5/x6
Find the 28th term.
8, 9.2, 10.4, 11.6.......
40.4
Y-intercept = 7
Points = (0,7) (0.5, 5) (1, 3.5) (2, 1.75)
7*0.5x
Chris is deciding which phone to get. The Phone A costs $125 right now, but the price goes up 5.8% each week. The Phone B costs $150 right now, but goes up 2.4% each week. Assuming he has to wait 4 weeks to get his monthly paycheck, which phone will be cheaper by the time he is ready to buy?
Phone A
Susan is trying to figure out which bank she should put her money into for a savings account. Bank A gives 2.12% interest per month, but will only let her deposit a $900 check to start. Bank B gives 1.99% interest per month, but will let her deposit a $1,000 check to start. Which bank account would have more money in it if she left the check in there for 5 years?
Bank B