Systems Of Equations
What is the solution to the system of equations:
x + y =5 and x - y =1
x=3 and y=2
Solve for x: 3x = 12
x=4
What is the area of a rectangle with length 4 and width 3?
12
Who was the first president of the United States?
George Washington
speak without a mouth and hear without ears. I have no body, but I come alive with the wind.
an echo
Which method is commonly used to solve a system of equations by eliminating one variable through addition or subtraction?
The Elimination Method
Solve for x: x - 5 = 10
x=15
What is the perimeter of a square with side length 5?
20
What year did World War II end?
1945
The more you take from me, the bigger I get. I’m not your workload.
a hole
Solve the system of equations using substitution: y=2x+3 and 3x-y=7
x=2 and y=7
Solve for x: 2x + 7 = 13
x=3
How many sides does a hexagon have?
6
Who was the 16th president of the U.S.?
Abraham Lincoln
You can’t see me, but I’m always ahead of you. I’m never behind, and I never stop.
the future
What is the graphical interpretation of the solution to a system of equations when the lines are parallel?
No Solution (the lines never intersect)
Solve for x: 5x - 4 = 21
x=5
What is the formula for the area of a circle?
𝝅r2
In which country did the Industrial Revolution begin?
Great Britain
I’m tall when I’m young and short when I’m old. I glow but I’m not alive.
a candle
Solve the system of equations using the matrix method (or substitution if preferred):
2x+3y=6 and 4x-y=7
x=2 and y=0
Solve for x: 4(x + 3) = 28
x=4
What is the volume of a cube with side length 2?
8
Who was the leader of the Soviet Union during World War II?
Joseph Stalin
The person who makes me doesn’t need me. The person who buys me doesn’t use me. The person who uses me doesn’t know it.
a coffin