Rational or Irrational?
Is the following number a rational number? Why or why not? Square root of 36
Yes; This is a perfect square
Square root of 1
1
What does "c" represent in the pythagorean theorem?
Hypotenuse
Use graph paper: Distance from (-3,-4) and (2,-3)
Triangle Inequality Theorem
Is the following number a rational number? Why or why not? The square root of 1
Yes; this is a perfect square root.
Square root of 144
12
Find the missing side:
a = 5; b = 12
c = 13
Ue Graph Paper: Distance from (3,5) and (2.6)
5
What theorem helps us identify a right triangle?
Is the following number a rational number? Why or why not? 0.26262626. . .
Yes; This is a repeating decimal
Cube root of 343?
7
Find the missing side:
a = 8; b = 15
c = 17
Ue Graph Paper: Distance from (4,9) and (2,6)
3.6 (roughly)
Do the following sides form a triangle?
6 cm, 5 cm, and 4 cm
Yes!
Is the following number a rational number? Why or why not? 0.2626622666 . . .
What is the square root of 21 to the nearest integer?
5
Find the missing side
a = 8; c = 10
b = 6
Ue Graph Paper: Distance from (6,1) and (1,8)
8.6
Do the following sides form a right triangle?
6, 4.5 and 7.5
Yes!
Is the following number a rational number? Why or why not? The square root of negative (-) 36
What is the square root of 84 to the nearest tenth?
9.2
Two hikers start a trip walking 1.5 miles east. They turn due north and walk 1.7 miles to a waterfall. To the nearest tenth of a mile, how far is the waterfall from camp?
Roughly 2.2 OR 2.3
Ue Graph Paper: Distance from (-4, -6) and (2,5)
12.53
Do the following sides form a right triangle?
10, 16, 12
No!