Pre-Algebra S1 Review '24

Front

What is the y-intercept of a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis, represented as (0, b) in the equation y = mx + b.

Front

How do you solve the equation 3p - 1 = 5?

Back

Add 1 to both sides to get 3p = 6, then divide by 3 to find p = 2.

Front

What is the formula for calculating the slope of a line?

Back

The slope (m) is calculated as m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are two points on the line.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator. For example, ⅘ = 0.8.

Front

What does it mean to order numbers from least to greatest?

Back

It means to arrange the numbers starting from the smallest value to the largest value.

Front

What is the decimal equivalent of 42%?

Back

42% is equal to 0.42 when converted to decimal form.

Front

How do you find the greatest common factor (GCF) of two numbers?

Back

List the factors of each number and identify the largest factor they have in common.

Front

What is the difference between a rational and an irrational number?

Back

A rational number can be expressed as a fraction of two integers, while an irrational number cannot be expressed as a simple fraction.

Front

How do you simplify the expression 2(3x + 4)?

Back

Distribute the 2 to get 6x + 8.

Front

What is the purpose of using parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first according to the order of operations.