January 23, 2014
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Transcript of January 23, 2014
Write linear equations for a line that passes through the following points:
(-4, 8) and (2, 3)
January 22, 2016
1. … in Slope-Intercept Form.
2. … in Point-Slope Form.
3. … in Standard Form.
*Start of MP3*
Write linear equations for a line that passes through the following points:
(2, 5) and (4, 11)
January 25, 2016
1. … in Slope-Intercept Form.
2. … in Point-Slope Form.
3. … in Standard Form.
January 27, 2016
1. Write a linear equation in Standard Form if the slope is -3 and the y-intercept is 5.
February 1, 20161. Is the point (3, 6) a solution to the following system of equations?
12812184yx
yx
February 2, 20161. Is the point (3, 1) a solution to the following system of equations?
543102
yxyx
February 3, 20161. Solve the system by using substitution method.
543102
yxyx
February 4, 20161. Write and solve a system of equations using substitution
method for the following problem:
Evan and Logan started their own business selling snacks in the gym hall in the mornings. They are selling mozzarella sticks for $2.00 and prunes for $1.50. Last week they sold a total of 30 items and made a total of $54.00. How many mozzarella sticks and prunes did they sell?
February 5, 20161. Tarin and Kara show your work for problem 6a on the board.
2. Aaron and Shanon show your work for problem 6b on the board.
3. Shayna and Jess show your work for problem 8b on the board.
4. Logan and Madde show your work for problem 8b on the board.
5. Shaun and Mitchell show your work for problem 9 on the board.
6. Jakob and Sarah show your work for problem 9 on the board.
February 8, 20161. Find the solution to the following system of equations.
102653
yxyx
February 9, 20161. Everyday when Madde returns from school she puts her change from buying lunch into a jar on her dresser. This weekend she decided to count her savings. She found that she had 72 coins—all nickels and dimes. The total amount was $4.95. How many coins of each kind did she have?
February 10, 20161. Solve the following system by elimination method.
1246184
yxyx
1. Write two equations with the same slope but different y-intercepts and then graph them on your graphing calculators.
February 17, 2016
1. What do linear equations have in common if they create parallel lines?
2. How do you think linear equations are related if they create perpendicular lines?
February 18, 2016
1. Write a linear equation that is parallel to the one above.
2. Write a linear equation that is perpendicular to the one above.
February 19, 2016
64 xy
1. Write a linear equation that is parallel to the one above.
2. Write a linear equation that is perpendicular to the one above.
February 22, 2016
523.0 xy
1. Solve the inequality.
2. Graph the solution on a number line.
February 23, 2016
10246 x
1. Nolan and Shanon write your matches for HW #1a-d to the left of the Promethean Board.
2. Kara and Evan C. show your work for 2a. To the right of the Promethean Board.
3. Evan M. and Tarin show your work for 2b. To the right of the Promethean Board.
4. Jess show your graph for 3a. on the side board.5. Jakob show your graph for 3b. on the side board.6. Caleb show your graph for 3c. on the side board.7. Alexis show your graph for 3d. on the side board.
February 25, 2016
1. Solve the inequality.
2. Graph the solution on a number line.
February 26, 2016
34
)2(3
x
1. Solve the following system by elimination method.
February 29, 2016
1
333yxyx
1. Solve the system by using elimination method.
March 1, 2016
2431264
yxyx
1. List 3 requirements for a Line of Fit.
March 2, 2016
1. Graph the following inequality:
1226 yx
March 3, 2016
March 14, 2016
1.
Happy PI Day!
1. What is the world record for memorizing digits of pi?
2. Like Nick Edwards, what famous mathematician was born on pi day?
3. At what time does pi day officially start?
1. Parallel lines have what in common?
2. How do the slopes of perpendicular lines compare?
March 15, 2016
March 16, 2016
1. How can you add eight 8's to get the number 1,000?
2. Two mothers and two daughters sat down to eat pancakes for breakfast. They ate exactly three pancakes, each person ate 1 whole pancake. Explain how this is possible.
1. Write a recursive routine for the following sequence.
Gordon Shumway traced his heritage (family history) back 8 generations. The first generation was his parents, the 2nd generation was his grandparents (all 4 of them), and so on.
2. How many people are on Gordon’s direct family tree 8 generations ago?
Only the people he came from.
March 17, 2016
1. Solve for x:
16821 2 x
March 18, 2016
1. Kara is 4 years old and her little brother is half her age. When Kara is 100 years old, how old is her little brother?
March 29, 2016
1. Convert the following number to scientific notation:
2. Convert the following number to scientific notation:
3. Simplify:
)3)(2( 432 abccba
000,000,000,000,175
540000000000.0
March 30, 2016
1. What is the perimeter of a square with the same area as a 3 cm x 27 cm rectangle?
2. Simplify:
March 31, 2016
1. Solve the following inequality.
2. Solve the following inequality.
12351082 xorx
11725 x
1. Write a system of inequalities for the problem below:
Garret is buying wings and burgers for his spring break party. One package of wings costs $7 and the burgers are $4 per pound. He only has $40 to spend on the meat for the party.
Garret knows that he needs to buy at least 5 pounds of burgers because Sierra is bringing Lindsay, Alana, and Takara to the party.
1. Find the missing value x. Round to the nearest tenth.
2. Find the missing angle in the following diagram.
3 ft.3 ft.
6 ft.x ft.
25°
x°
)
1. Graph the following inequality:
50105 yx
1. How do you make an astronaut baby sleep?
2. A dead man is found in the middle of nowhere. He has no apparent wounds, but he has a hole in his suit. How did he die?
Chloe charged $456.35 to her Visa credit card for baking supplies. Her credit card has a 21.99% monthly interest rate. She then lost the bill and forgot to make a payment.
1. Write an exponential equation to model the equation above.
2. What would be the balance on Chloe’s credit card if she doesn’t make any payments for 1 year?
)
1. The deepest part of any ocean is 36,960 feet. What is that depth in miles?
2. Simplify: )3(4 2 xx
1. Write the system of inequalities from the graph.
Garret is buying wings and burgers for his spring break party. One package of wings costs $7 and the burgers are $4 per pound. He only has $40 to spend on the meat for the party.
Garret knows that he needs to buy at least 5 pounds of burgers because Autumn is bringing Hannah, Lauren, and Max to the party.
Write a system of inequalities for the problem above.
1. Write the system of inequalities from the graph.
1. Simplify the following:
83762
72526242
))(3)(3(27
hghjcfababcdjhgfdcba
1. Convert the following number to scientific notation:
2. Convert the following number to scientific notation:
3. Simplify: )3)(2( 432 abccba
000,000,000,000,175
540000000000.0
1. Simplify:
042
7
3
3326
39235265
721245
32)3(9)(25
yyz
xxyzxy
xyzxyxyx
Levi bought a used Dodge Charger for $12,600. The car has a depreciation rate of 8% per year.
1. Write an exponential equation to model the problem above.
2. What is the value of Levi’s car after 5 years?
James bought a used Dodge Charger for $12,600. The car has a depreciation rate of 8% per year.
1. Is this problem Linear or Exponential?2. What is the Constant Pattern?3. What is the value of James’ car after 5 years?
Hannah bought a ninja monkey for $2,350. Since this is the only ninja monkey in the world, it is very valuable. Hannah estimates that she can get an extra 10% in value every year she waits to sell the monkey.
What is the value of the ninja monkey after 4 years?
Bonus – On the back of your paper
1. The following equation represents the total money in Evan’s bank account if he starts with $2 and then has his money doubled daily.
How many days would Evan have to wait to have $68,719,476,740 in his bank account?
xy )2(2
1. Simplify:
2. A diving board has a price of $400. With sales tax, it will cost $420. What is the sales tax percentage?
36
265
15
)(25
xy
xyx
1. Simplify:
35
2322
2)4(
yzxzyx
1. Simplify:
03523275
392322
)2()3()(5yzxnmcbzyxyx