GED practice test

A meal costs $48. What is a 15% tip?

0.15 × 48 = 7.20.

Solve for x: 3x + 5 = 2x + 12

Subtract 2x and 5 from both sides: x = 7.

What is the area of a triangle with a base of 10 and a height of 6?

Area = ½ × base × height = ½ × 10 × 6.

What is (−3)²?

A negative times a negative is positive.

What is the median of 3, 9, 4, 7 and 10?

In order: 3, 4, 7, 9, 10. The middle value is 7.

At sea level, at what temperature does water boil?

At higher altitudes it boils at a lower temperature.

What does photosynthesis produce?

Plants use light, water and carbon dioxide to make glucose, giving off oxygen.

Which statement is Newton's first law?

This is the law of inertia; the others are the second and third laws and energy conservation.

What are the first ten amendments to the US Constitution called?

They were ratified in 1791.

What are the three branches of the US government?

This is the separation of powers.

Who has the power to declare war in the United States?

Article I gives this power to Congress.

If supply of a product rises while demand stays the same, what usually happens to its price?

More goods chasing the same demand pushes the price down.

In which year was the Declaration of Independence adopted?

It was adopted on 4 July 1776.

Which sentence is correct?

"They're" is short for "they are".

In an argumentative essay, what is the thesis?

Every paragraph should support the thesis.