2nd 9 weeks review

Individual Study Guide

Answer the problems

on a sheet of paper.

Be sure to number

each problem.

• 1. When do you reverse the inequality sign?

• 2. What symbols will indicate a shaded circle when you graph an inequality

Now, take a few minutes to review the answers to

# 1-5

Answers

• 1. You reverse the inequality sign when you multiply or divide both sides by a negative number.

• The symbols that indicate a shaded circle on an inequality are: > or <

Work the following problems on

your paper. Be sure to show

your work.

Solve. Do not graph.

Solve & Graph.

Now, take a few minutes to review the answers to

# 6-11

$14.95 = x23 Bks 1 book

$.65 per bookJeremy

$11.90 = x17 Bks 1 book

X = $.70 per book Marissa

Jeremy got the better deal

Work the following problems on

your paper. Be sure to show

your work.

Solve for the variable.

16. Determine if the pentagons are similar.

17.(Width)

Now, take a few minutes to review the answers to

# 12-17

Work the following problems on

your paper. Be sure to show

your work.

Now, take a few minutes to review the answers to

# 18-20

Work the following problems on

your paper. Be sure to show

your work.

21. You can get 1200 calories from eating 4 burritos. How many calories

can you get from eating 1 burrito?

22. A model doll house is built to a scale of 3cm = 5 meters. If the model is

9.4 cm tall, how tall is the actual dollhouse?

23. Find the unit price for a 48 oz bottle of laundry detergent for $6.79.

24. Solve for x

Now, take a few minutes to review the answers to

# 21-24

21. You can get 1200 calories from eating 4 burritos. How many calories

can you get from eating 1 burrito?

1200 calories = x calories

4 burritos 1 burrito

X = 300 calories

22. A model doll house is built to a scale of 3cm = 5 meters. If the model is

9.4 cm tall, how tall is the actual dollhouse?

Model = 3 cm = 9.4cm

Actual = 5 meters x meters

x = 15.66 meters

23. Find the unit price for a 48 oz bottle of laundry detergent for $6.79.

$6.79 x

48 oz = 1 oz

$.14 per oz

24.

12 = x

16 24

X = 18

Work the following problems on

your paper. Be sure to show

your work.

25.

26.

• A line on your blueprint measures 12 inches long with a ruler. The scale factor of the blueprint is ¼”(inch) = 1’ (foot). What is the measurement of the wall for the actual building?

27.

• The scale factor on the toy train is 1/64, which means 1 inch on the toy is equal to 64 inches on the train. If the train’s wheel measures 45 inches, what will it measure on the toy car? Round to the nearest hundredth.

Now, take a few minutes to review the answers to

# 25-27

25.

Side 6 = xBottom 15 10

X = 4

26.

• A line on your blueprint measures 12 inches long with a ruler. The scale factor of the blueprint is ¼”(inch) = 1’ (foot). What is the measurement of the wall for the actual building?

Model 1 in = 12

Actual 4 feet x

X = 48

27.

• The scale factor on the toy train is 1/64, which means 1 inch on the toy is equal to 64 inches on the train. If the train’s wheel measures 45 inches, what will it measure on the toy car? Round to the nearest hundredth.

Model = 1 in toy = x

Actual 64 in train 45 in train

x = .70 inches

Work the following problems on

your paper. Be sure to show

your work.

28.

29.

Now, take a few minutes to review the answers to

# 28-29

28.

4g – 12 + 1 < 5

4g – 11 < 5

+ 11 +11

4g < 16

/4 /4

g < 4

You are done!!!

Good luck on your math test!!