Transcript
Today:2nd Quarter Grades
Warm-UpReview Final Exam
Review Exponents/Sci. Notation
Intro. to MonomialsClass Work
Warm-Up1. Number Sense: How many revolutions does a tire make in one mile?The
speed?Up or
Downhill?Tire
Size? This?
Or this?
15 " Rims
1 revolution ≈ 4 feet = 1,320 revs.
Warm-Up2. Number Sense: How much does a gallon of water weigh? 8. 6 Pounds3. On one test you get 9 of 10 questions correct and on another test you answer 3 of 5 correct. What is your average score?
80 %
4. (12) -5 • (12) 3 -5 + 3 = -2; (12)-2 = 1/12
2 = 1/1445. 42 •
35 • 24
43 • 35 • 22
= 22
4 = 16. Simplify: 5b •
6a4 a c
= 30ba4 c
Final Exam Review:Estimated Yearly Repair Cost
$450$570
•Tony will Drive an average of 200 miles per month•The average cost of gasoline will be $5.00 per gallon1. If Mike buys car A, how much will he spend in gas
per year? A. $2400 B. $2000 C. $600 D. $120 E. None2. What is the total cost of repairs and gas for the 4 years if Mike buys car B?A. $5600 B. $3000 C. $2400 D. $3800 E. None 3. If Mike buys car A, what percent of the purchase price will he have spent on gas and repairs after 4 years? A. 75% B. 110% C. 55% D. 90%
E. None
Final Exam Review:4. Mrs. Wright rents a car to see her friend Mrs. Wong. The cost is $32.00 plus $.75 a mile. The trip is 45 miles each way.
What is the total cost for Wright to see Wong?
A. $32.75 B. $99.50 C. $75.00 D. $65.75 E. None5. What is the slope of the line 4y + 3
= 2/5x A. 2 B. ⅟10 C. ⅟5 D. ⅓ E. None
Practice Problem Section of Notebook:
Scientific Notation & Exponent Review
Scientific Notation
Scientific Notation
Scientific Notation
Scientific Notation
Example 1:
Step 1:
Negative and Zero Exponents
Step 2:
Step 3:
Step 4:
Negative and Zero Exponents
Step 5:
Step 6-7:
Negative and Zero Exponents
1.
Practice Problems
2.
3.
Practice Problems
Monomials
Definition: Mono-- The prefix means one. A monomial is an expression with one
term.In the equations unit, we said that terms were
separated by a plus sign or a minus sign!
Therefore:A monomial CANNOT contain a plus sign (+)
or a minus (-) sign!
MonomialsExamples of Monomials:
Multiplying Monomials
When you multiply monomials, you will need to perform two steps:
•Multiply the coefficients (constants)•Multiply the variables
A simple problem would be: (3x2)(4x4)And the answer is:
12x6 Remember, the bases are the same, so you add the exponents
Multiplying Monomials: Practice Problems
Multiplying Monomials: Practice Problems
Multiplying Monomials
top related