Transcript Square Roots Notes

Lesson 2
Square Roots
Perfect Squares
1² = 1
2² = 4
3² = 9
4² = 16
5² = 25
6² = 36
7² = 49
8² = 64
9² = 81
10² = 100
11²= 121
12² = 144
13² = 169
14² = 196
15² = 225
16² = 256
17² = 289
18² = 324
19² = 361
20² = 400
Simplify 100
Simplify 45
Simplify 72
Simplify 98
Try these…
363
720
900
162
What makes
39𝑥 equivalent to
3 39?
What makes 2 17𝑥 equivalent to
8 17?
What makes 6 15𝑥 equivalent to
36 15?
For what value of x should the
expression be simplified?
77𝑥
a. x = 15
b. x = 21
c. x = 39
d. x = 51
For what value of x should the
expression be simplified?
235𝑥
a. x = 13
b. x = 34
c. x = 118
d. x = 65
For what value of x should the
expression be simplified?
35𝑥
a. x = 22
b. x = 13
c. x = 15
d. x = 26