General Knowledge

Question 1

When adding or subtracting integers that have the same sign, you ______ the numbers together and ______ the sign.

Answer 1

add
keep

Question 2

When adding or subtracting integers that have different signs, you ______ the smaller number for the larger number and keep the sign of the ________ number.

Answer 2

subtract
larger

Question 3

When multiplying or dividing numbers that have the same sign, the answer is always ______.

Answer 3

positive

Question 4

When multiplying or dividing numbers that have different signs, the answer is always ______.

Answer 4

negative

Question 5

The first general rule to solving an equation or inequality is to use the _______ property so that all expressions no longer have parentheses.

Answer 5

distributive

Question 6

The second general rule to solving an equation or inequality is to ________ ________ terms on each side of the equation or inequality.

Answer 6

combine like

Question 7

The third general rule to solving an equation or inequality is to ______ or _______ an expression so that only one side has a term with a variable.

Answer 7

add
subtract

Question 8

The fourth general rule to solving an equation or inequality is to add or subtract an expression so that there is a term with a variable on one side and only a _______ on the other side.

Answer 8

constant

Question 9

The fifth general rule to solving an equation or inequality is to _______ or _______ by a number so that you have an equation or inequality with a constant on one side and a variable on the other.
Example: x=5

Answer 9

multiply
divide

Question 10

When you multiply or divide both sides of an inequality by a negative number, you must __________ the direction of the
inequality.

Answer 10

flip (reverse)

Question 11

Which inequality symbol represents this situation on a number line?

Answer 11

>

greater than

Question 12

Which inequality symbol represents this situation on a number line?

Answer 12

<

less than

Question 13

Which inequality symbol represents this situation on a number line?

Answer 13

≥

greater than or equal to

Question 14

Which inequality symbol represents this situation on a number line?

Question 15

A ________ is a number that is multiplied by a variable.

Answer 15

coefficient

Question 16

We use the word _______ to mean “to the third power.”

Answer 16

cubed

This is because a cube with side length s has a volume of s • s • s, or s³.

Question 17

In expressions like 5³ and 8², the 3 and the 2 are called ________. They tell you how many factors to multiply.

Answer 17

exponents

They tell you how many factors to multiply. For example, 5³ = 5 • 5 • 5 , and 8² = 8 • 8.

Question 18

The word ______ means “for each 100.” The symbol for it is _____.

Answer 18

percent

%

Question 19

We use the word _______ to mean “to the second power.”

Answer 19

squared

This is because a square with side length s has an area of s • s , or s² .

Question 20

A _______ is a letter that represents a number. You can choose different numbers for its value.

Answer 20

variable

Question 21

A is _______ a point where two or more edges meet. When we have more than one, we call them _______.

Answer 21

vertex

vertices