U6.L12.Review

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Front

How do you solve the equation -7x = 84?

Back

To solve for x, divide both sides by -7: x = 84 / -7 = -12.

Front

What is prime factorization?

Back

Prime factorization is the process of expressing a number as the product of its prime factors.

Front

What is the prime factorization of 250?

Back

250 = 2 × 5 × 5 × 5 = 2 × 5^3.

Front

What does it mean to write an expression as an equation?

Back

Writing an expression as an equation means to set it equal to something, often using an equals sign.

Front

Which expression can be written as an equation: 'Four was three less than a number'?

Back

This can be written as: x - 3 = 4.

Front

What is the distributive property?

Back

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

Front

How do you simplify the expression 14s + (7s + 3s)?

Back

Combine like terms: 14s + 7s + 3s = 24s.

Front

What is an equivalent expression?

Back

An equivalent expression is one that has the same value as another expression for all values of the variable.

Front

What is the expression equivalent to 7(2 + 3) - 2 * 7^2?

Back

First, calculate: 7(5) - 2 * 49 = 35 - 98 = -63.