7th Honors / 8th Grade Fall Semester Exam Review

Front

What is the y-intercept of a line?

Back

The y-intercept is the point where the line crosses the y-axis. It is represented as (0, b) where b is the y-intercept value.

Front

How do you find the slope of a line?

Back

The slope (m) of a line is calculated as the change in y divided by the change in x (m = (y2 - y1) / (x2 - x1)).

Front

What are natural numbers?

Back

Natural numbers are the set of positive integers starting from 1 (1, 2, 3, ...). They do not include zero or negative numbers.

Front

What are whole numbers?

Back

Whole numbers are the set of non-negative integers including zero (0, 1, 2, 3, ...).

Front

What are integers?

Back

Integers are the set of whole numbers that include positive numbers, negative numbers, and zero (..., -3, -2, -1, 0, 1, 2, 3, ...).

Front

What are rational numbers?

Back

Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero (e.g., 1/2, -3, 4.5).

Front

What are real numbers?

Back

Real numbers include all rational and irrational numbers, encompassing integers, fractions, and decimals.

Front

What is the significance of the negative sign in front of a square root?

Back

Front

What is distribution in algebra?

Back

Distribution refers to the process of multiplying a single term by each term inside a set of parentheses, e.g., a(b + c) = ab + ac.

Front

What is the importance of checking for mistakes in algebraic equations?

Back

Checking for mistakes helps ensure the accuracy of the solution and prevents errors in calculations that can lead to incorrect answers.