# FREE GED Math Calculator Course!

TLDRThis video offers a comprehensive guide to solving GED Math problems using a calculator. It covers a range of topics including combinations, probability, substitution, and functions, demonstrating how to use calculator functions like nCr, square root, and factorial. The script also explains how to find the area of shapes and the circumference of a circle, providing shortcuts and methods to simplify calculations and improve test performance.

### Takeaways

- ๐ The video provides a GED Math Calculator course to help solve problems on the GED math test using a calculator.
- ๐ข Learning to use the calculator is key for combination problems, such as finding how many different combinations of cones, flavors, and toppings are possible.
- ๐ For calculating combinations of toppings on a pizza, the calculator's nCr function is useful to find the number of ways to choose a subset from a larger set.
- ๐ Substitution is a method shown in the video where you replace variables in an equation with given values to find the result.
- ๐ Functions are used to represent relationships, and the video demonstrates how to find the value of a function for a specific input.
- ๐ฑ The cost function is used to calculate the cost of a smartphone based on its screen size, and the video shows how to input this into a calculator.
- ๐งน The concept of permutations is covered, explaining how to calculate the number of ways to arrange a set of items.
- ๐ฐ Probability is discussed in the context of a carnival game, showing how to calculate the chance of an event occurring using fractions.
- ๐ The video explains how to find the area of geometric shapes like triangles using the base times height over 2 formula.
- ๐ The use of the calculator's table function is highlighted for checking which equations pass through given points, simplifying the process of finding the correct line equation.
- ๐ Circumference of a circle is calculated using the formula involving ฯ and the radius, as demonstrated for a ring size in the video.

### Q & A

### What is the purpose of the video script provided?

-The video script is designed to teach viewers how to solve various math problems using a calculator, specifically in preparation for the GED Math test.

### How many different combinations can be made when choosing 1 cone, 1 flavor, and 1 topping with 2 cones, 4 flavors, and 3 toppings available?

-There are 24 different combinations possible, calculated by multiplying the number of options in each category (2 cones * 4 flavors * 3 toppings).

### What is the process for calculating the number of combinations for a 3-topping pizza with 5 available toppings?

-Use the calculator's nCr function, input the total number of toppings (5), and the group size (3), which will calculate and display the number of combinations (10 in this case).

### How do you find the value of an expression when x is 4 and y is -5?

-Substitute x with 4 and y with -5 in the expression, then input the modified expression into the calculator to find the value.

### What is the method to find f(-4) for a given function f(x)?

-Replace every instance of x in the function with -4, then input the new expression into the calculator to find the value of f(-4).

### How can you determine the cost of a smartphone with a 6-inch screen using a given cost function?

-Identify the variable in the cost function that represents screen size (x), substitute x with 6, and input the modified function into the calculator to find the cost.

### In how many different orders can you complete 5 chores?

-Calculate the factorial of 5 (5!), which is 5 * 4 * 3 * 2 * 1, resulting in 120 different orders.

### What is the probability of a ping-pong ball landing in one of the 3 blue cups out of a total of 18 cups?

-The probability is calculated as the number of favorable outcomes (3 blue cups) over the total number of outcomes (18 cups), simplifying to 1/6.

### How can you determine which line equation passes through two given points using a calculator?

-Input the y = equation into the calculator, use the table function to check the y values for the given x values of the points, ensuring both points satisfy the equation.

### What is the fastest way to find the values of x that make an equation equal to 10?

-Use the calculator's table function to input the left side of the equation and set the y value to 10, then scroll through the table to find the x values that yield the desired result.

### How do you calculate the area of a right triangle with a base of 44 and a height of 28?

-Use the formula for the area of a triangle (1/2 * base * height), input the values into the calculator, and calculate the result (1/2 * 44 * 28 equals 616).

### What is the process for finding the circumference of a circle with a radius of 18.5?

-Use the circumference formula (2 * ฯ * radius), input the radius value into the calculator, and calculate the result (2 * ฯ * 18.5 equals 37ฯ).

### Outlines

### ๐งฎ GED Math Test Calculator Techniques

This paragraph introduces various mathematical problems that can be solved using a calculator on the GED math test. It covers basic combination problems, such as choosing cones, flavors, and toppings, and explains how to use multiplication to find the total number of possible combinations. It also touches on more complex combination problems involving choosing toppings for a pizza, where the calculator's nCr function is used to find the number of ways to choose 3 toppings from 5 options. Additionally, the paragraph discusses substitution in algebraic expressions, demonstrating how to replace variables with given values and use a calculator to find the result.

### ๐ข Solving Equations and Probability with Calculators

The second paragraph delves into solving equations by substitution, showcasing how to input values into a calculator to find the outcome of an expression when specific variables are given. It also explains how to use a calculator to find the mean and median of a data set, using the 'data' button and statistical functions. Furthermore, the paragraph addresses probability problems, such as calculating the likelihood of a ping-pong ball landing in one of the blue cups out of 18, by setting up a fraction and simplifying it using the calculator. The use of the 'table' button for checking which line equations pass through given points is also highlighted.

### ๐ Geometry and Advanced Calculator Functions

This paragraph focuses on geometry problems, such as finding the area of a right triangle by identifying base and height and using the formula (1/2 * base * height) to calculate the area. It also covers calculating the circumference of a circle, given the radius, using the formula (2 * ฯ * radius). The paragraph introduces advanced calculator functions like the square root and percent buttons, as well as how to add fractions and convert them to decimals. It also explains how to work with mixed numbers and their decimal equivalents.

### ๐ Statistics and Final Thoughts on Calculator Usage

The final paragraph wraps up the discussion on calculator usage by demonstrating how to find the mean and median of a data set using the calculator's statistical functions. It provides a step-by-step guide on entering data into the calculator and using the 'data' and 'statistics' buttons to obtain these values. The paragraph concludes with a motivational note, encouraging confidence in using the calculator for the GED and inviting further questions or topics for future coverage.

### Mindmap

### Keywords

### ๐กCalculator

### ๐กCombinations

### ๐กFunction

### ๐กSubstitution

### ๐กProbability

### ๐กFactorial

### ๐กMean

### ๐กMedian

### ๐กCircumference

### ๐กSquare Root

### ๐กPercent

### Highlights

Solving GED math test problems using the provided calculator.

Calculating combinations for choosing 1 cone, 1 flavor, and 1 topping.

Using multiplication to find the total number of combinations.

Using calculator functions for combinations with a group size.

Substitution method for evaluating expressions.

Entering numbers in parentheses for substitution in calculator.

Evaluating functions by substituting values.

Using calculator to find the cost of a smartphone based on screen size.

Calculating the number of different orders for chores.

Using factorial to find the number of permutations.

Simplifying probability calculations with a calculator.

Using the 'table' button on a calculator to check if equations pass through points.

Finding values of x that satisfy an equation using the table function.

Calculating the area of a triangle using base and height.

Determining the circumference of a circle given its radius.

Using the square root function on a calculator.

Calculating percentages and their results.

Adding fractions and converting the result to a decimal.

Finding the mean and median of a data set using calculator functions.

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