second nine weeks. october 12, 2010 turn the fraction into a percent. 1. 2. 3
TRANSCRIPT
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BellringersSecond Nine Weeks
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October 12, 2010Turn the fraction into a percent.
1.
2.
3.
8
3
25
1
7
11
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October 18, 20101. Find 30% of 54.
2. 12 is 24% of what number?
3. 40 is what percent of 24?
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October 19, 2010Use a tree diagram to figure this probability
out.If you flip a coin 4 times, what is the
probability of flipping heads, then tails, then heads, and then finally tails?
H
T
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October 20, 2010Compute the compound probability if you are
using a standard deck of 52 cards (no jokers).1. What is the probability of drawing a red king,
then a face card, and then an even number card without replacing any of the cards?
2. What is the probability of drawing royal flush one card at a time without replacing any of the cards (hint: can be in any suit)?
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October 25, 2010Graph each point on a coordinate plane.
1. (2, -4)2. (0, 3)3. (-1, -2)4. (-3, 0)
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October 26, 2010Find the range of the function f(x) = x – 6 for
the domain: {-2, 0, 5}
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October 27, 2010Graph the function, by setting up a table,
plugging in at least three points for the domain, and then plotting your ordered pairs on the coordinate plane. (Hint: you don’t have to use -1, 0, and 1 as your domain; use multiples of 3 for simplicity.)
13
1 xy
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October 28, 2010Graph the function, by setting up a table,
plugging in at least three points for the domain, and then plotting your ordered pairs on the coordinate plane.
12
1 2 xy
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October 29, 2010 Is the equation direct variation? If yes, what is the constant of
variation?
1.
2.
3.
1223 yx
0 yx
12)62(2 yx
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November 1, 2010Use direct variation to answer the questions.
1. If Joseph burns 204 calories when he runs 2 miles, how many calories will he burn if he runs 5 miles?
2. If Eliza can wrap 32 presents in 3 hours, how many can she wrap in 4 ½ hours?
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November 2, 2010Find a function rule that fits the information
provided in the table.
X Y
-1 -5
0 -2
1 1
2 4
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November 4, 2010Open to page 282.
Look in the light blue box and answer questions 1-4.
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November 5, 2010Find the slope of the line passing through
each pair of points.1. (a, -b) and (-a, -b)
2. (-m, n) and (3m, -n)
3. (2p, q) and (u, 2v)
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November 9, 2010Put the linear equations in slope-intercept
form and then graph the lines.1. 3x + 2y = 4
2. -2x + y = -1
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November 10, 2010Put the linear equations in slope-intercept
form and then graph the lines.1. -5x + 2y = 10
2. 3x - 4y = -12
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November 12, 2010Put the linear equations in slope-intercept
form and then graph the lines.1. x + 3y = -12
2. 3x = 5y + 20
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November 15, 2010Write the equation of the line that passes
through the points (3,4) and (-3, 1) in standard form.
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November 16, 2010Graph the linear equations.
1.
2.
3.
13
2 xy
632 yx
623 yx
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November 17, 2010Determine if the lines are parallel,
perpendicular, or neither.1.
2.
2054 yx
845 yx
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November 18, 2010Write the equation of the line with the given
conditions in slope-intercept form.
1. Parallel to the line, and through the point, (-1, 4)
2. Perpendicular to the line, and through the point, (2, -3)
42 yx
24
3 xy
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November 29, 20101. Graph the line between the points (2, 1) and (-1, 5),
and find its slope.
2. Graph the line between the points (-3, 5) and (-3, 0), and find its slope.