Posted: October 6, 2010

# Ms. Sutherland - Archived

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Posted: October 4, 2010

Practice Questions:
1. Graph the following lines:a) y = 2x - 1
b) y = -1/2x + 2
c) y = 2/3x - 3
d) y = 4
e) y = -3x
2. State the slope and the y-intercept for each linea) y = 3x + 1
b) y = 1/2x - 2
c) y = -2x + 3
3. Finding the equation of a given line
4. You want to send flowers to your friend for her birthday. FTD charges $12 for delivery, and $0.50 for each flower. 1-800-Flowers charges $15 for delivery and $0.25 for each flower.a) Your friend is 18, and you want to send 18 flowers. Which company should you choose?
b) How many flowers do you have to send for both companies to charge the same?

Posted: October 4, 2010

## Date:

Sun, Oct 3/10 9:00 pm

Posted: October 4, 2010

## Date:

Mon, Oct 4/10 9:00 pm

Posted: September 24, 2010

Section 1:
1) 3x
2) x + 3
3) 2x + 3
4) 1/2x OR x/2
5) x + 35 = 82, x = 47
6) 5x = 185, x = 37
7) x - 5 = 17, x = 22
8) 2x + 4 = 26, x = 11
9) x + 13 = 27, x = 14
10) 4x - 47 = 293, x = 85
Section 2:
1) x = -6
2) x = 15
3) x = 3/4, or 0.75
4) x = -2
5) x = -4
Section 3
1) 20 + 0.50x = 10 + 0.75x, x = 40
2) 5 + 0.05x = 3 + 0.25x, x = 10
3) 53 + 5x = 27 + 8x, x = 26/3, or 8.67

Posted: September 24, 2010

Procedure:Take 4 pieces of bread and rip them in half.Put one piece in sunlight, one in the dark - lightPut one piece in the heat, one in cold (fridge) - heatPut one in a sealed bag, one out in the air - airWet one, keep one dry - dampness
Observe daily for one week. Is mould growing? How fast is it growing?

Posted: September 24, 2010

## Date:

Tue, Oct 5/10 9:00 pm

Posted: September 24, 2010

Practice Questions for Monday's Quiz
Section 1:Word Problems1) 3 times a number2) A number increased by 33) Twice the width increased by 34) One-half the speed5) A number increased by 35 is 826) Five times a number is 1857) Sam's age 5 years ago was 178) Twice the length increased by 4 is 269) Sue's age 13 years from now will be 2710) Four times a number less 47 is 293
Section 2:Solving for x1) 6x + 12 = 3x - 62) 4(x + 5) - 3 = 6x - 133) 4 - 3x = x + 1 4 44) 5x - 3 = 2x - 9 2 25) x - 2 = x 3 2
Section 3:Patterns and Relations - Writing Equations1) You need to rent a car for a day, and must decide on which rental company to choose. National Car Rental charges a flat rate of $20 and $0.50 per kilometre travelled. Avis charges a flat rate of $10 and $0.75 per km travelled.How many kilometres do you have to travel for the price to be the same?
2) A printing company has two options for printing books.Option A: $5.00 plus $0.05 per pageOption B: $3.00 plus $0.25 per pageHow many pages need to be printed for the price to be the same?
3) You need a math tutor. Two people have offered different rates.Tara: $53.00 rate for one month, and $5 per hourDr Math: $27.00 rate for one month, and $8 per hourAfter how many hours will the two rates be the same?

Posted: September 23, 2010

Review Questions for Quiz
1. What is the function of the nucleus?2. What does the cell membrane do?3. What can a plant cell do that no animal cells can do?4. Aristotle believed that flies came from rotting meat. How do you know that this isn't true?5. Why is cell division important?6. Describe the phases of mitosis (use diagrams to help you).7. What happens during interphase?8. How is sexual reproduction different from asexual reproduction?9. Identify the type of asexual reproduction in each situation:a) Algae is broken up by waves. Each piece grows into a new organism.b) A new tree begins to grow from the root of a nearby tree.c) A small cell begins to grow on the outside of another cell. Eventually, it breaks away from the larger cell and continues to grow.10. Where in your body do you think that highest rate of cell division happens? Explain your answer.

Posted: September 20, 2010

There are still a few people who haven't written their cell quizes. They can be written Tuesday, Sept 21, at lunch.
Quiz on Friday on Chapter 5

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