Multiplying Polynomials
(x-7)(x+7)
x^2-49
(x^2)^2
x^4
x^2+10x+16
(x+8)(x+2)
Two bicycle riders start from the same point and ride in opposite directions. One rider is moving twice as fast as the other. After 3 hours, they are 72 miles a part. What is the speed of each rider?
the slower cycler is going 8 mph, and the faster cycler is going 16 mph
(2x+5)(-4x+7)
-8x^2-6x+35
(x^2)^3
x^6
x^2-5x-24
(x-8)(x+3)
You sell tickets to your weekly trivia game that is used as a fundraiser. You charge $6 for adults and $4 for children. This week you sold 21 tickets and collected $104.How many adult tickets did you sell?
10 adult tickets
2x^2(3x^2-5x+1)
6x^4-10x+2x^2
(x^2)^6
x^12
7x^2-10x+3
(7x-3)(x-1)
The sum of two numbers is 45. One number is 4 times the other, find the numbers.
x=9 4x=36
(3x+5y^2)(2y-1)
6xy-3x+10y^3-5y^2
(y^3)^2
y^6
x^2-12x+32
(x-4)(x-8)
John and Max went shopping. John spent $120 on 3 pairs of jeans and 6 blouses. Max spent $90 on 2 pairs of jeasn and 5 bloses
jeans=20$
blouses=$10
(2x+3)(4x^2+5x+6)
8x^3+22x^2+27x+18
(x^4)^0
x
x62-5x-50
(x-10)(x+5)
it takes 3 hours for a boat to go 18 miles downstream and 9 hours to return. What is the rate of the boat in still water and the rate of the current.
Still water is 4mph and current is 2mph