alg2 per1 4 8
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Cook out
dlangley 4/10
Menu
review of graphs
graph application
teacher notes
click on your choice
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The menu for your barbecue has been decided: burgers and wings!
you plan to spend no more than $24 for the meat. The local store sells Burger for $3.00 per pound and wings for $2.40 per pound.
write an inequality to model the purchase choices
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burger is $3/ lb wings $2.40/lb
you want to spend no more than $24
b = number pounds burgerw = number pounds wings
3b + 2.4w < 24 graph your inequality:
write an inequality to show the solutions
erase below for answer:
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burger and wing purchase
burger (pounds)
wings (pounds)
1 2 3 4 5 6 7 8 9 10
1
2
3
4
5
6
7
8
9
10
3b + 2.4w < 24
shade thehalf plane
dashed or solid line?
touch the spatula then
touch either the
x-intercept or y-intercept
back
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burger and wing purchase
burger (pounds)
wings (pounds)
1 2 3 4 5 6 7 8 9 10
1
2
3
4
5
6
7
8
9
10
3b + 2.4w < 24
next
click on my spatula, thenclick on the half-plane youthink should be shaded tomake the inequality correct.
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burger and wing purchase
burger (pounds)
wings (pounds)
1 2 3 4 5 6 7 8 9 10
1
2
3
4
5
6
7
8
9
10
3b + 2.4w < 24 questions
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·can you buy 6 lbs of burger and 4 lbs wings if you want to stay within your set budget?
·how many pounds of wings can you buy if you decide not to buy any burger?
·if you buy 3 lbs of burger, what is the most whole pounds of wings you can buy?
to the graph
to Menu
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Inequalities on a plane·review of graphs
>
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y > x y > -x
graph the inequality on your paper, then slide the arrow to check
slide
next
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at most
no more than
at least
no less than
less than or equal to
greater than or equal to
< >
drag the key word to the matching inequality columnincorrect answers will "disappear"
next
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Match the inequality to the graphnote: > is written as >= < is < = next
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touch the graph that correctly shows: y < -3x + 4
next
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touch the graph that correctly shows: y > 4 x - 6 3
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Information:
Lesson objectives Teachers' notes
1) review writing an inequality
2) review of graphing inequalities on coordinate plane
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Teachers' notesLesson objectives
Subject:
Topic:
Grade(s):
Prior knowledge:
Math
review inequalities on plane
7,8, Pre Algebra, Algebra
know how to write and graph inequalities on coordinate plane
Lesson notes:
when needed, directions are given on the page
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