Modeling and Solving Equations 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

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the goal of solving one-step equations?

Back

The goal is to isolate the variable on one side of the equation to find its value.

Front

Solve for x: 2x + 3 = 11

Back

x = 4

Front

What is a coefficient in an equation?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression.

Front

What is a constant in an equation?

Back

A constant is a fixed value that does not change, represented by a number.

Front

Solve for x: 3x - 5 = 16

Back

x = 7

Front

What is the difference between a one-step and a multi-step equation?

Back

A one-step equation requires one operation to solve, while a multi-step equation requires two or more operations.

Front

How do you write 0.0045 in scientific notation?

Back

4.5 x 10^-3

Front

What is the first step in solving the equation 5x - 14 = 8x + 4?

Back

The first step is to get all terms involving x on one side and constant terms on the other side.