Day 3 1.2 Order of Operations and Evaluating Expressions.notebook
P
1.2 Order of Operations
January 06, 2017
Let's review exponents.
arenthesis
Please exponent
base
E
xponents
Excuse MD
AS
multiply/divide
My Dear
23 = 2 2 2 power
3 factors of 2
add/subtract
Aunt Sally Aug 17­8:48 PM
Aug 17­8:31 PM
Solve the exponential expression.
What is the simplified form of each expression?
A. 24
A. (6 ­ 2)3 ÷ 2
C. (­3)3
B. (½)2
B. 24 ­ 1
5
D. (­4)2
Aug 19­1:16 PM
Aug 17­8:52 PM
What is the simplified form of each expression?
Write the expression in exponential form.
C. 5 7 ­ 42 ÷ 2
A. 8 squared
D. 12 ­ 25 ÷ 5
B. y to the ninth power
C. 3 x x x x
D. 4p 4p 4p 4p
Aug 17­8:52 PM
Aug 17­8:45 PM
1
Day 3 1.2 Order of Operations and Evaluating Expressions.notebook
January 06, 2017
What is the value of the expression for x = 2 and y = 5?
C. (3x3) ­ 5y D. y2 + y ­ 12 ÷ x2
What is the value of the expression for y = 5?
A. 2y2
B. (2y)2
Aug 19­11:55 AM
Jan 6­12:57 PM
What is the value of each expression when a = 3 and b = 4?
What is the value of each expression when a = 3 and b = 4?
A. 3a ­ b2
C. (2b ­ a)2
B. 2b2 ­ 7a
Aug 19­12:12 PM
D. 2ab ­ 5b ÷ 2
Aug 19­12:12 PM
Classwork: p.10 #4 - 30 even
Show your work!
Final Five
You can find the distance in feet that an object falls in t seconds using the expression 16t2. If you drop a ball from a tall building, how far does the ball fall in 3 seconds?
a) 16 ft
b) 48 ft
c) 96 ft
d) 144 ft
Aug 19­1:21 PM
2