2x + y = 7
4x - y = 11
x = 3, y = 1
Identify the literary device:
“The silence screamed through the empty room.”
Oxymoron
Explain the system of checks and balances with one example.
It prevents one branch from becoming too powerful; for example, the president can veto laws passed by Congress.
What does increasing temperature do to chemical reactions?
Increase the rate of reaction
What trade-off might an engineer face when designing a bridge?
Balancing cost, strength, safety, and materials.
2x^2 - 8x + 6 = 0
x = 1, 3
Which sentence correctly uses a semicolon?
a) I studied hard; because I wanted to pass.
b) I studied hard; I wanted to pass the exam.
c) I studied hard; and I wanted to pass.
B
What was a major weakness of the Articles of Confederation?
The federal government could not tax states directly.
What role does DNA play in protein synthesis?
DNA provides the genetic instructions used to assemble proteins.
How does regular aerobic exercise improve cardiovascular health?
It strengthens the heart and improves blood circulation and oxygen delivery.
A circle has equation (x - 3)^2 + (y + 2)^2 = 25.
What are its center and radius?
Center: (3,−2), Radius: 5
What is dramatic irony?
When the audience knows something the characters do not.
How did the Industrial Revolution change the American workforce?
It shifted labor from agriculture to factory-based jobs and increased urbanization.
What is Newton’s Third Law?
For every action, there is an equal and opposite reaction
What is the difference between RAM and long-term storage?
RAM is temporary and volatile; long-term storage is permanent and non-volatile.
log2(16) + log2(4)
6
Who wrote "To Kill a Mockingbird"?
Harper Lee
Which case established judicial review?
Marbury v. Madison (1803).
What happens to enzymes when temperature exceeds their optimum range?
They denature and lose their shape, reducing function.
Why is redundancy important in systems like airplanes or hospitals?
It ensures safety and function if one component fails.
If a right triangle has legs 9 and 12, find the length of the hypotenuse.
15
What is the primary purpose of an argumentative essay?
To persuade the reader by using evidence and reasoning.
Explain opportunity cost with an example.
The value of the next best alternative given up, e.g., choosing work over studying means losing study time.
Why do seasons occur on Earth?
Due to the tilt of Earth’s axis, which changes the angle and intensity of sunlight.
How does vaccination protect both individuals and communities?
It builds immunity and contributes to herd protection, slowing disease spread.