부등식 단원 종합

Q.1Write the inequality shown by each graph. Use x.

1. 1
   Inequality: 
2. 2
   Inequality: 
3. 3
   Inequality: 
4. 4
   Inequality: 

Q.2Q.3Solve each inequality.

1. 5
   $8k\le 72$
2. 6
   $m-20>-13$
3. 7
   $6m\ge 36$
4. 8
   $-6m\le 30$
5. 9
   $9-9x\ge -36$
6. 10
   $4-9y<22$

Q.3Solve each inequality. (continued)

1. 11
   $3k+14>-13$
2. 12
   $9k-10\ge 8$

Q.4Write an inequality and solve it. Answer with a whole number.

1. 13
   Mia wants at least $\text{\$}410.00$ for a bike. Mia has $\text{\$}49.00$ and earns $\text{\$}11.00$ an hour. What is the least number of hours Mia must work?
2. 14
   Mia wants at least $\text{\$}310.00$ for a bike. Mia has $\text{\$}28.00$ and earns $\text{\$}13.00$ an hour. What is the least number of hours Mia must work?
3. 15
   Leo needs an average of at least $90$ on four tests. Leo's first three scores are $90$, $89$, and $95$. What is the least score Leo can get on the fourth test?
4. 16
   Mia wants at least $\text{\$}460.00$ for a bike. Mia has $\text{\$}62.00$ and earns $\text{\$}14.00$ an hour. What is the least number of hours Mia must work?

Q.5Write or solve each inequality.

1. 17
   $m-18\le -23$
2. 18
   $-7x\ge 84$
3. 19
   $\frac{k}{-8}\ge 7$
4. 20
   $\frac{n}{3}\ge -5$

Q.1Write Inequalities from Number Lines

1. 1$x\le 8$
2. 2$x<-7$
3. 3$x<6$
4. 4$x\ge 7$

Q.2Q.3Solve each inequality.

1. 5$k\le 9$
2. 6$m>7$
3. 7$m\ge 6$
4. 8$m\ge -5$
5. 9$x\le 5$
6. 10$y>-2$
7. 11$k>-9$
8. 12$k\ge 2$

Q.4Inequality Word Problems

1. 1333 hours
2. 1422 hours
3. 1586 points
4. 1629 hours

Q.5Inequalities Review

1. 17$m\le -5$
2. 18$x\le -12$
3. 19$k\le -56$
4. 20$n\ge -15$