Solve by Graphing
Solve the systems of linear equations by graphing:
y=1/4x-2
y=3/2x+3
(-4,-3)
Solve the systems of equations using substitution:
-8x + y = -7
16x - 2y = 14
Infinitely Many Solutions
Solve the systems of equations using Elimination:
-15x + 6y = -36
8x - 6y = 22
(2, -1)
There are 13 animals in the barn. Some are chickens and some are pigs. There are 40 legs in all. How many of each animal are there?
6 chickens 7 pigs
What is the largest building, by square footage owned, owned by the U.S. government?
The Pentagon
Solve by graphing
y=-5x-4
y=2x+3
(-1,1)
Solve the systems of equations using substitution:
-3x + 4y = -2
y = -5
(-6, -5)
Solve the systems of equations using Elimination:
14x + 2y = 26
-14x - 6y = -50
(1, 6)
Kristin spent $131 on shirts. Fancy shirts cost $28 and plain shirts cost $15. If she bought a total of 7 then how many of each kind did she buy?
2 fancy shirts and 5 plain shirts.
Who is the most famous living person from Portugal?
Cristiano Ronaldo
Solve by graphing
y>1/2x+2
y<=1/2x-3
No Solution
Solve the systems of equations using substitution:
-5x - 5y = 10
y = -4x -17
(-5, 3)
Solve the systems of equations using Elimination:
-9x - 15y = 12
3x + 5y = 7
No Solution
Britney wants to bake at most 10 loaves of bread for a bake sale. She wants to make banana bread that sells for $1.25 each and nut bread that sells for $1.50 each and make at least $24 in sales. Write a system of inequalities for the given situation and give a possible combination.
Answers may vary.
Who wrote the famous poem "The Raven"?