Transcript Radical Review!

Warm-up #3??
Simplify the following problems:
1.
7 2
3 150a c
2.
9 10
320 y z
Radical
Review!
FIND EACH:
25
169  64
25
49
SIMPLIFY
X
2
3
XY
5
16 X Y
6
4
SIMPLIFY
4
125 X Y
7
 27 X Y
6
3
6
121X Y Z
5
11
ESTIMATE
• TO THE NEAREST WHOLE #.
75
55
19
134
.
Find the sum or
difference
2 50  4 8  3 72
x 6x  x 24x
3 4x y  8y y
2
5 24 y  3 54 y
Find the product
or difference
3 4x y  4 x y
3
5
2x  10 x y
4
2
4
3x y
x 2y 2
3
3 4x y  4 x y
7
3
5
5 2x 6 y  3 3 x 3 y 5
2
3x 2
75 y 2
5
5n
5
4m
3
7
7
RIGHT TRIANGLES
Find the missing length.
(a & b are legs and c is the hypotenuse)
1. a = 6 & b = 8
RIGHT TRIANGLES
Find the missing length
(a & b are legs and c is the hypotenuse)
2. c = 34 & b = 30
RIGHT TRIANGLES
Find the missing length
(a & b are legs and c is the hypotenuse)
3. b = 16 & a = 12
RIGHT TRIANGLES
Find the missing length
(a & b are legs and c is the hypotenuse)
4. c = 25 & a = 15
SOLVE
Joe’s yard is 30 meters by
40 meters. What is the
distance from one corner
to the opposite corner?
SOLVE
Sandy walked 6 miles south
and then walked 8 miles
east. How far was Sandy
from her starting point?
SOLVE
A ladder is leaned against a
wall. The bottom of the
ladder is 5 feet from the
wall and the ladder is 13
feet long. What is the
distance from the ground
to the top of the ladder?
SOLVE
If a bike ramp is 24 meters
long and it extends 16
meters from the base of
the starting point, how
high is the ramp?
EXPLAIN
Why does every positive
perfect square have two
square roots?
Give an example.
EXPLAIN
What is the difference
between a rational number
and an irrational number?
EXPLAIN
How do you know which sides
of a right triangle are the
legs?