Chapter 2 Review Day 2 - Gilbert Public Schools

advertisement
Chapter 2 Review
Day 2
Rules
• A question will be shown on board.
• Everyone will work out the problem on piece
of paper.
• A name will be draw from a cup.
• If you can answer correctly and show your
work, then you may play the game.
To Play the Game
• FYI: You represent your team when you come up
to play!
• You will choose one card at a time to earn points.
• You may choose only 1-5 cards at a time!
• If you pick the card with a NINJA SHEEP, then you
lose the points for that round (question).
Problem 1: Solve each inequality and
graph the solution on the number line.
3𝑥 ≤ 6
Problem 1: Solve each inequality and
graph the solution on the number line.
3𝑥 ≤ 6
𝑥≤2
Closed circle on 2
Arrow to the left
Problem 2: Solve each inequality and
graph the solution on the number line.
2𝑥 + 1 > 3
Problem 2: Solve each inequality and
graph the solution on the number line.
2𝑥 + 1 > 3
𝑥>1
Open circle on 1
Arrow to the right
Problem 3: Solve each inequality and
graph the solution on the number line.
3 𝑥−6 ≥3
Problem 3: Solve each inequality and
graph the solution on the number line.
3 𝑥−6 ≥3
𝑥≥7
Closed circle on 7
Arrow to the right
Problem 4: Solve each inequality and
graph the solution on the number line.
−2𝑥 ≥ 6
Problem 4: Solve each inequality and
graph the solution on the number line.
−2𝑥 ≥ 6
𝑥 ≤ −3
Closed circle on -3
Arrow to the left
Problem 5: Solve each inequality and
graph the solution on the number line.
4
− 𝑥≥4
5
Problem 5: Solve each inequality and
graph the solution on the number line.
4
− 𝑥≥4
5
𝑥 ≤ −5
Closed circle on -5
Arrow to the left
Problem 6: Solve each inequality and
graph the solution on the number line.
15 ≥ 10 + 𝑥
Problem 6: Solve each inequality and
graph the solution on the number line.
15 ≥ 10 + 𝑥
𝑥≤5
Closed circle on 5
Arrow to the left
Problem 7: Write a compound inequality
that represents the possible solutions.
Then graph the compound inequality on
number line.
A number less than 2 or
greater than 5.
Problem 7: Write a compound inequality
that represents the possible solutions.
Then graph the compound inequality on
number line.
A number less than 2 or
greater than 5.
𝑥 < 2 𝑜𝑟 𝑥 > 5
Open circle on 2, arrow left
Open circle on 5, arrow right
Problem 8: Write a compound inequality
that represents the possible solutions.
Then graph the compound inequality on
number line.
A number greater than or
equal to 10 and less than 20.
Problem 8: Write a compound inequality
that represents the possible solutions.
Then graph the compound inequality on
number line.
A number greater than or
equal to 10 and less than 20.
𝑥 ≥ 10 𝑎𝑛𝑑 𝑥 < 20
Closed circle on 10, arrow right
Open circle on 20, arrow left
Problem 9: Write an inequality that shows
the number of DVDs, d, he can buy
without spending $50 or more.
Chris buys DVDs at Best Buy
for $5 each. He needs to
spend less than $50.
Problem 9: Write an inequality that shows
the number of DVDs, d, he can buy
without spending $50 or more.
Chris buys DVDs at Best Buy
for $5 each. He needs to
spend less than $50.
5𝑑 < 50
𝑑 < 10
Problem 10: Write an inequality that
shows the number of gum packs, g, he can
buy without spending more than $5.
Paul buys packs of Trident gum for
$1 a pack and a drink for $2.50. He
only has $5 to spend.
Problem 10: Write an inequality that
shows the number gum packs, g, he can
buy without spending more than $5.
Paul buys packs of Trident gum for
$1 a pack and a drink for $2.50. He
only has $5 to spend.
$1𝑔 + $2.50 ≤ $5
𝑔 ≤ 2.5
𝒈≤𝟐
Problem 11: Write an inequality that
shows the number of shoes, x, she can
buy without spending more than $30.
Mary buys pairs of sandals for $7 a
pair and a shirt for $13. She only
has $30 to spend.
Problem 11: Write an inequality that
shows the number of shoes, x, she can
buy without spending more than $30.
Mary buys pairs of sandals for $7 a
pair and a shirt for $13 She only
has $30 to spend.
$7𝑥 + $13 ≤ $30
𝑥 ≤ 2.428 …
𝒙≤𝟐
Problem 12: Write the corresponding
inequality statement for when Franco is at
least 6000 feet from home.
Franco is riding his bike
to school at a rate of
600 feet per minute.
His school is 9000 feet
from his home. The
graph represents his
distance from home
over 17 minutes.
Problem 12: Write the corresponding
inequality statement for when Franco is at
least 6000 feet from home.
Franco is riding his bike
to school at a rate of
600 feet per minute.
His school is 9000 feet
from his home. The
graph represents his
distance from home
over 17 minutes.
𝑥 ≥ 10
The graph represents
the temperature range
in a city over 20 hours.
Samantha hates
extreme heat and
decides she will only
go outside when the
temperature is 90° or
less.
Temperature (degrees Fahrenheit)
Problem 13: Write the corresponding
inequality statement for when Samantha
will be able to go outside.
100
90
80
70
60
The graph represents
the temperature range
in a city over 20 hours.
Samantha hates
extreme heat and
decides she will only
go outside when the
temperature is 90° or
less.
𝑥 ≤ 12
Temperature (degrees Fahrenheit)
Problem 13: Write the corresponding
inequality statement for when Samantha
will be able to go outside.
100
90
80
70
60
Download