Unit 1 & 2 Review

Match

Match each phrase with the correct symbol.

• $$>$$  

• $$\ge$$  

• $$\le$$  

• $$<$$  

• $$\ne$$  

greater than

greater than or equal to

less than or equal to

less than

not equal to

• greater than

• greater than or equal to

• less than or equal to

• less than

• not equal to

Variable

A letter that stands for an unknown number.

VARIABLE TERM refers to the entire term that contains the variable (Ex: -8x)

When there is no number in front of the variable, there is a 1 there. (Ex: y is the same as 1y)

Coefficient

Constant

A number NOT connected to a variable.

Always include the sign before it .

Constants can be whole numbers, decimals, or fractions.

All constants are like-terms!

Match

Match the following

• 150

• 15x

• 55

• +

• $$\le$$

Total

Coefficient

Constant

Operator

Inequality Symbol

• Total

• Coefficient

• Constant

• Operator

• Inequality Symbol

Dropdown

The variable must be on the ​

Select answer

side of the inequality. If the variable is on the right terms have to ​

Select answer

places and the inequality symbol has to ​

Select answer

into the ​

Select answer

direction.​

Multiple Choice

• A

• B

• C

• D

Go to question 2

Multiple Choice

What is $$\frac{1}{2}$$ times -8?

• 4

• -4

• 6

• -6

Multiple Choice

What is $$\frac{3}{4}$$ times -8?

• -6

• 6

• 3

• 4

Multiple Choice

What is 3 times -8?

• -5

• 24

• -24

• 5

Multiple Choice

What is -4 times -8?

• 12

• 32

• -12

• -32

Multiple Choice

• A

• B

• C

• D

Go to question 3

Drag and Drop

When graphing inequalities:

Use an open circle for ​​

Placeholder

.

Use a closed circle for ​​​​

Placeholder

.

Drag these tiles and drop them in the correct blank above

> or <

≥ or ≤

Multiple Choice

Which answer choice can be marked incorrect based on the inequality symbol?

• A

• B

• C

• D

​If you multiply or divide both sides by a negative number, you must flip the inequality symbol.

Solve like an equation by isolating the variable on one side of the inequality.

​Solve Inequalities

-2x + 3 > 9

​-2x > 6

x < -3​

Drag and Drop

When solving inequalities, if you multiply or​ ​

Placeholder

both sides by a ​

Placeholder

number, you must ​

Placeholder

the ​

Placeholder

symbol.

Drag these tiles and drop them in the correct blank above

divide

negative

flip

inequality

add

positive

equal

Drag and Drop

Put the steps to solving this inequality in order

$$5-3x\ \le11$$

Step 1: ​

Placeholder

Step 2: ​

Placeholder

Step 3: ​ ​

Placeholder

Drag these tiles and drop them in the correct blank above

subtract 5 from both sides

add 5 to both sides

divide -3 on both sides

add 3 to both sides

flip the sign

keep the sign the same

Multiple Choice

• A

• B

• C

• D

Go to question 4

Multiple Choice

• 4

• -4

• 27.5

• 6

Drag and Drop

Put the steps to solving this inequality in order

$$1.5x-10=-16$$

Step 1: ​

Placeholder

Step 2: ​

Placeholder

Drag these tiles and drop them in the correct blank above

add 10 from both sides

add 16 to both sides

divide 1.5 on both sides

subtract 1.5 to both sides

Go to question 5

Drag and Drop

Put the steps to solving this inequality in order

$$-3x-4<-7$$

Step 1: ​

Placeholder

Step 2: ​

Placeholder

Step 3: ​ ​

Placeholder

Drag these tiles and drop them in the correct blank above

add 4 to both sides

add 5 to both sides

divide -3 on both sides

add 3 to both sides

flip the sign

keep the sign the same

Multiple Choice

• A

• B

• C

• D

Go to question 7

Multiple Choice

What is $$-3\ \frac{4}{5}$$ as an improper fraction?

• $$-\frac{19}{5}$$

• $$-\frac{15}{12}$$

• $$-\frac{4}{2}$$

• $$-\frac{4}{15}$$

Multiple Choice

What is $$-3\ \frac{1}{6}$$ as in improper fraction?

• $$-\frac{3}{18}$$

• $$-\frac{1}{9}$$

• $$-\frac{1}{18}$$

• $$-\frac{19}{6}$$

Dropdown

When dividing fractions ​

Select answer

​​

Select answer

​

Select answer

Multiple Choice

What is $$-3\ \frac{4}{5}\div\ -3\ \frac{1}{6}$$

• $$-\frac{361}{30}$$

• $$\frac{361}{30}$$

• $$-\frac{6}{5}$$

• $$\frac{6}{5}$$

Dropdown

3x + 34 + 31 + 2x = 180

​

Select answer

+

Select answer

= 180



Now ​

Select answer

Then ​

Select answer

Go to question 8

Multiple Choice

• A

• B

• C

• D

Go to question 9
the number is FOUR not 4 1-4

Multiple Choice

Zander is putting mulch in a playground area that he built in his yard, He already has 4 bags of mulch to use. Each bag of mulch covers 90.7 square feet. How many square feet will Xander be able to cover if he uses all of this mulch?

• A

• B

• C

• D

Go to question 10

Dropdown

To figure out how much Zander paid for the leggings here are the steps:

Step 1: ​

Select answer

the change from how much he gave the clerk.

Step 2: ​ ​

Select answer

that amount by ​

Select answer

Multiple Choice

Tamisha gave the store clerk $40.00 to pay for 2 pairs of leggings. The store clerk gave her $7.12 in change. Each pair of leggings costs the same amount. What is the cost in dollars and cents for each pair of leggings?

• 32.88

• 16.44

• 20

• 12.88