Algebra I Review

Front

What is a system of equations?

Back

A set of two or more equations with the same variables. The solution is the point(s) where the equations intersect.

Front

How do you solve a system of equations using substitution?

Back

1. Solve one equation for one variable. 2. Substitute that expression into the other equation. 3. Solve for the remaining variable.

Front

What is the slope-intercept form of a linear equation?

Back

Front

What does a negative slope indicate about a line?

Back

A negative slope indicates that as the x-value increases, the y-value decreases, meaning the line goes down from left to right.

Front

Back

Front

What is depreciation in financial terms?

Back

Depreciation is the reduction in the value of an asset over time, often due to wear and tear.

Front

How do you calculate the value of an asset after depreciation?

Back

Use the formula: Final Value = Initial Value * (1 - Depreciation Rate) ^ Number of Years.

Front

What is the y-intercept in a linear equation?

Back

Front

What does it mean if a line has a slope of zero?

Back

A slope of zero means the line is horizontal, indicating that the y-value does not change as the x-value changes.

Front

What is the purpose of graphing a linear equation?

Back

Graphing a linear equation visually represents the relationship between the variables and helps identify solutions.