Is this point (x,y) a solution?
Is (2, 5) a solution to the following system?
-2x + y = 1
x + y = -3
No!
Draw a picture of a graph that shows a system of equations with no solution
Parallel lines
y = 3x + 13
2x = y - 9
(-4, 1)
The first jack-o-lanterns were made out of what vegetable?
What is turnips!
The sum of two numbers is 90. Their difference is 18. Write a system of equations to represent this problem.
x + y = 90 y - x = 18
Is (-2, 3) a solution to the following?
x - y = -5
-x - y = -1
yes
y = -6x + 15
y = -6x + 9
What is none?
5x - 2y = 4
x + 2y = 8
(2, 3)
According to legend, a unibrow, tattoos, and a long middle finger are all signs of what Halloween creature?
What is a werewolf!
The second of two numbers is 4 more than the first. The sum of the numbers if 56. Write a system of equations to represent this problem.
y = x + 4
x + y = 56
Is (-3, 1) a solution to the following?
x - y = -4
-2x + y = 7
What is yes?
2x - 2y = 8
x - y = 4
What is infinite?
5x + y = 2
5x - 3y = 14
(1, -3)
In what century did the practice of trick-or-treating begin?
In North America, trick-or-treating began to develop as a Halloween tradition during the 1920s, but the European tradition of going house-to-house collecting food at Halloween goes back at least as far as the 16th century.
The number of calories in a piece of pie is 20 less than three times the number of calories in a scoop of ice cream. The pie and ice cream together have 500 calorie. Write a system of equations that could be used to find the number of calories in each. Define your variables!
x = calories in pie y = calories in ice cream
x = 3y - 20
x + y = 500
Is (8,5) a solution to the following system of equations? Solve the system, then check your work.
-3x + y = -19
x + y = 3
What is no?
5y = x - 6
4x - 10y = 12
What is one solution?
3x - 5y = 7
5x - 2y = -1
(-1, -2)
Which of the following is NOT a term for a scarecrow? Gallybagger, Doodle sack, Mawkin, and Bwbach
There are a wide range of alternative names for scarecrows including Hodmedod, Murmet, Hay-man, Gallybagger, Tattie Bogal, Mommet, Mawkin, and Bwbach. Doodle sack is an old English word for bagpipe.
Two records and three tapes cost $31. Three records and two tapes cost $29. Write a system of equations to represent!
r = record t = tapes 2r + 3t = 31 3r + 2t = 29
Which of the ordered pairs (4, 2), (4, 6), or (1, 6) is a solution to the following?
3x - 5y = -27
-4x - 3y = -22
(1, 6)
X + 4y = 0
8y = -2x
Infinite
Find the intersection of the line that goes through (1, -1.5) and (10, -2.4) and the line 3x + 5y = -22.
What is (-1.6, 1.24)?
What product is banned in Hollywood on Halloween? razor blades, silly string, toilet paper, ski masks
Silly string fans should stay far away from Hollywood on Halloween. An ordinance banning the toy, first introduced in 2004 after complaints from Hollywood Boulevard property owners, is only enforced on October 31. If you're caught with sticky hands, expect to pay a $1,000 fine.
The price of a sweater is 5 less than twice the price of a shirt. If four sweaters and three shirts cost $200, find the price of each shirt and each sweater. (You must use a system of equations to solve)
x = $ of sweater y = $ of shirt
x = 2y - 5
4x + 3y = 200
$20 and $35