Units 1-4 Review

Front

What is the result of adding (3x - 4) + (-5x + 6)?

Back

The result is -2x + 2.

Front

What is the absolute value of -3 on the number line?

Back

The absolute value of -3 is 3.

Front

What is the expanded form of (9ab)^7?

Back

The expanded form is 9^{7} \cdot a^{7} \cdot b^{7}.

Front

What is the quotient of x^8 ÷ x?

Back

The quotient is x^7.

Front

If Maya owes her sister $15 and borrows $8 more, how much does she owe in total?

Back

Maya owes a total of -23.

Front

What is the definition of absolute value?

Back

Absolute value is the distance of a number from zero on the number line, regardless of direction.

Front

What is the formula for adding like terms in algebra?

Back

To add like terms, combine the coefficients of the same variable.

Front

What does it mean to simplify an expression?

Back

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

Front

What is the distributive property in mathematics?

Back

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

Front

How do you find the product of powers with the same base?

Back

To find the product of powers with the same base, add the exponents: a^m * a^n = a^{m+n}.