Algebra 1

Front

What is the formula to calculate a percentage of a number?

Back

To calculate a percentage of a number, use the formula: (percentage/100) * number.

Front

How do you solve a linear equation in one variable?

Back

To solve a linear equation, isolate the variable on one side of the equation using inverse operations.

Front

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

Back

The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

The slope (m) is calculated as m = (y2 - y1) / (x2 - x1).

Front

What does it mean for a slope to be positive or negative?

Back

A positive slope indicates that the line rises as it moves from left to right, while a negative slope indicates that the line falls.

Front

What is the distributive property in algebra?

Back

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

Front

How do you multiply two binomials?

Back

Use the distributive property or FOIL method: First, Outside, Inside, Last.

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What is the solution to the equation 4a + 8 = -20?

Back

The solution is a = -7.

Front

What is the result of simplifying -3(x - 3) + 6(x + 1)?

Back

The simplified result is 3x + 15.