Math 8 ACAP Review

Front

What is the definition of percentage?

Back

A percentage is a fraction expressed as a part of 100. It represents how much of a whole is being considered.

Front

How do you find the square root of a number?

Back

To find the square root of a number, you determine which number multiplied by itself gives the original number. For example, √9 = 3 because 3 x 3 = 9.

Front

What is the property of exponents that states (a^m)^n = a^(m*n)?

Back

This property is known as the Power of a Power Property.

Front

How do you convert scientific notation to standard form?

Back

To convert scientific notation to standard form, move the decimal point to the right for positive exponents and to the left for negative exponents. For example, 4.3756 x 10^4 = 43,756.

Front

What is a reflection in geometry?

Back

A reflection is a transformation that flips a figure over a line, creating a mirror image.

Front

What is the difference between a rotation and a translation?

Back

A rotation turns a figure around a fixed point, while a translation slides a figure from one position to another without changing its shape or orientation.

Front

What is the approximate value of √98?

Back

√98 is approximately between 9 and 10.

Front

What is the formula for finding the area of a rectangle?

Back

The area of a rectangle is found by multiplying its length by its width (Area = length x width).

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and performing operations.

Front

What is the definition of a transformation in geometry?

Back

A transformation is an operation that moves or changes a shape in some way, including translations, rotations, reflections, and dilations.