Chapter 3 Test Review

Front

What is the divisibility rule for 6?

Back

A number is divisible by 6 if it is divisible by both 2 and 3.

Front

What is the GCF of 10a^2b^3 and 20a^2b^2?

Back

The GCF is 10a^2b^2.

Front

Simplify the expression and evaluate for x=2: 3(1 - 2x) + 7

Back

The simplified expression is 10 - 6x, and evaluating for x=2 gives -2.

Front

Write using a single exponent: 10^3 x 10^5

Back

The expression can be written as 10^8.

Front

Evaluate for a=-2 and b=-6: b^2 + 2a

Back

The result is 32.

Front

What is the definition of the Greatest Common Factor (GCF)?

Back

The GCF of two or more numbers is the largest number that divides all of them without leaving a remainder.

Front

What is the formula for the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What is the rule for multiplying powers with the same base?

Back

When multiplying powers with the same base, add the exponents: a^m * a^n = a^(m+n).

Front

What is the formula for evaluating an expression?

Back

To evaluate an expression, substitute the values of the variables into the expression and simplify.

Front

What is the definition of an exponent?

Back

An exponent indicates how many times a number (the base) is multiplied by itself.