Κύριο περιεχόμενο
8η τάξη
Course: 8η τάξη > Ενότητα 1
Μάθημα 2: Square roots & cube roots- Square roots of perfect squares
- Worked example: Cube root of a negative number
- Equations with square roots & cube roots
- Dimensions of a cube from its volume
- Square and cube challenge
- Square roots review
- Cube roots review
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Square roots of perfect squares
Learn how to find the square root of perfect squares like 25, 36, and 81.
Let's start by taking a look at an example evaluating the square root of start color #1fab54, 25, end color #1fab54:
Step 1: Ask, "What number squared equals start color #1fab54, 25, end color #1fab54?"
Step 2: Notice that start color #11accd, 5, end color #11accd squared equals start color #1fab54, 25, end color #1fab54.
Η απάντηση
Here's a question to make sure you understood:
Connection to a square
Finding the square root of start color #1fab54, 25, end color #1fab54 is the same as finding the side length of a square with an area of start color #1fab54, 25, end color #1fab54.
A square with an area of start color #1fab54, 25, end color #1fab54 has a side length of start color #11accd, 5, end color #11accd.
Practice Set 1:
Ερώτηση αντανάκλασης
Practice Set 2:
Practice Set 3:
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