Untitled.notebook April 28, 2014 - ISD 622...Apr 28, 2014 · Untitled.notebook April 28, 2014 5. Keith has $500 in a savings account at the beginning of the summer. He wants to have

Untitled.notebook April 28, 2014



IF

|2x| + 5 = 3 |3x| + 4 ≤ 34

Solve (2 answers). Solve and graph.

Box 3 Checking: p.1718




13 2347 57

math math

810 810rocks rocks

1112 1112yes yesit it

1315 1415really really1618 1718truly truly19 mixed review (#110)


LT 3: I can represent realworld situations with equations, inequalities, and absolute value.1) 2)

p.19

3) 4)

5) 6)

7) 8)

9) 10)


Write an inequality that describes the graph below.

1.

A. B.

words:

inequality:words:

inequality:


2. Write and graph an inequality that describes the situation.

Three or more people make a carpool.

No one under age 17 will be admitted without a parent or guardian.

A. B.

words:

inequality:

graph:

words:

inequality:

graph:


3. You earn points from buying items on an Internet shopping site. You would like to redeem 2350 points to get an item for free, but you want to be sure to have more than 6000 points left over. Write and solve an inequality that shows the possible numbers of points you can have before making a redemption?

Onestep inequality


4. Write and solve an inequality to find the possible values of x.

Onestep inequality


5. Keith has $500 in a savings account at the beginning of the summer. He wants to have at least $200 in the account by the end of the summer. He withdraws $25 each week for food, clothes, and movie tickets. Write and solve an inequality that shows how many weeks Keith can withdraw money from his account.


6. Yellow Cab Taxi charges a $1.75 flat rate in addition to $0.65 per mile. Katie has no more than $10 to spend on a ride.

A) Write an inequality that represents Katie's situation.

B) How many miles can Katie travel without exceeding her limit?


multistep inequality

Your scores in four bowling games are 157, 161, 149,

and 172. After the next game, you want your average

score to be at least 167. Write and solve an

inequality that will show the possible scores that you

can earn in your next game in order to meet your

goal.

7.


multistep inequalityWrite and solve an inequality to find the possible values of x.

8.


A safety regulation requires that the height of a guardrail be 42 inches with an absolute deviation of 3 inches. Write and solve an equation to find the minimum and maximum heights of the guardrail.

9. absolute value equations

|variable perfect| = allowed deviation


Before the start of a professional basketball game, a basketball must be inflated to an air pressure of 8 pounds per square inch (psi) with an absolute error of 0.5 psi. Write and solve an equation to find the minimum and maximum acceptable air pressure for the basketball.

10. absolute value equations

|variable perfect| = allowed deviation

maximum air pressure

minimum air pressure


11. absolute value inequality


12. absolute value inequality


A golf ball manufacture puts 390 golf balls in each box. The box can be off by 6 golf balls. Write and solve an absolute value inequality that displays the acceptable amount of golf balls that can be in a box.

|variable perfect| allowed deviation><≤≥

13.


You are preheating an oven to 350 . The thermometer reads 346 . The measured temperature has an absolute deviation of at most 2 . Write and solve an inequality to decide if the oven is preheated yet.

14.

|variable perfect| allowed deviation><≤≥


CW

Panswers

4.

6.

7.

9.

B

4x + 25 ≥ 70

x ≤ 11.25 (you can burn no more than 11 songs)

D

|w 500| ≤ 30

Mixed Review Sheet (110)

due Friday

Documents

Untitled.notebook April 28, 2014 - ISD 622...Apr 28, 2014 · Untitled.notebook April 28, 2014 5. Keith has $500 in a savings account at the beginning of the summer. He wants to have