Basic Algebra Act Quiz Beth

take 10 away from s 

• 10 - s 

• s + 10

• s - 10

• s/10

six times the number of girls
Let g = number of girls

• 6 + g

• 6g

• g - 6

What is an algebraic                     expression for                 "the difference of r and 3"?

• r/3

• r + 3

• r - 3

• 3r

• A

• B

• C

• D

Define Algebra

• It is math

• To solve for an unknown number

• It is math that only uses letters

• It is regular math

The following are the basic rules of algebra, except:

• commutative

• associative

• distributive

• substitution

Branch of mathematics that combines symbols according to the rules of arithmetics.

• Algebra

• Arithmetic

• Geometry

• Calculus

What word phrase can you use to represent "5x + 2"?

• five times the sum of a number x and two

• two times the sum of a number x and five

• a number x times the sum of five and two

• the sum of five times a number x and two

7 less than a number d

• 7 - d

• d - 7

Julius has v gold coins. After some time, he doubled his amount of gold coins. Which algebraic expression shows how many gold coins Julius has?

• 2v

• 2 + v

• 2 - v

• 2 / v