Math 8 Final Exam CUMULATIVE #2 Review 2022

Front

What is the formula for the volume of a cone?

Back

Volume = (1/3) * π * r² * h, where r is the radius and h is the height.

Front

How do you determine if a relation is a function?

Back

A relation is a function if each input (x-value) has exactly one output (y-value).

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the definition of a variable in algebra?

Back

A symbol (often a letter) that represents an unknown value.

Front

How do you calculate the area of a triangle?

Back

Area = (1/2) * base * height.

Front

What does it mean for a number to be irrational?

Back

An irrational number cannot be expressed as a fraction of two integers.

Front

What is the difference between a linear function and a non-linear function?

Back

A linear function has a constant rate of change and graphs as a straight line; a non-linear function does not.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you find the missing side of a right triangle using the Pythagorean theorem?

Back

If you know two sides, use a² + b² = c² to find the missing side.

Front

What is the definition of a coefficient in algebra?

Back

A coefficient is a numerical factor in a term of an algebraic expression.