MonomialsPolynomials Word Problems Chapter 4 Jeopardy Monomials 100 points Simplify: 2x 3 5x 2 10x 5 Monomials 200 points Simplify: (-3a 2 b 3 ) 3 -27a 6 b 9 Monomials 300 points Simplify: n79n79 n79n79 Monomials 400 points Simplify: (4x) 2 (6xy 3 ) 2 (y 4 ) 3 72x 4 y 18 Polynomials 100 Points Simplify: -2a(a 2 3a) -2a 3 + 6a 2 Polynomials 200 Points Simplify: (5x 2 21x + 4) (x 2 11x + 6) 4x 2 10x - 2 Polynomials 300 Points Simplify: (a 3) 2 a 2 6a + 9 Polynomials 400 Points Simplify: (x + y)(x 2 xy + y 2 ) x 3 + y 3 Word Problems 100 Points The length of a rectangle is 4 cm greater than its width. If the length and width are both increased by 3 cm, then the area of the rectangle will increase by 93 cm 2. What are the dimensions of the original rectangle? 12 cm x 16 cm Word Problems 200 Points Two helicopters take off at the same time from the same airport and travel in opposite directions. The average speeds of the two helicopters are 350 km/h and 325 km/h respectively. In how many hours will the two helicopters be 2024 km apart? 3 hours Word Problems 300 Points James has more dimes than quarters. If he has $7.25, how many of each coin does he have? NO SOLUTION! Word Problems 400 Points At 8 a.m. a freight train leaves River City and heads for Rockville. At the same time, a passenger train leaves Rockville and heads toward River City on parallel tracks. The passenger train averages 50 mi/h faster than the freight train. The two trains pass each other at noon. If River City and Rockville are 520 miles apart, what is the average speed of each train? Freight = 40 mi/h Passenger = 90 mi/h Freight = 40 mi/h Passenger = 90 mi/h