Don't Panic Algebra Review

What should you do if you see an equation like "3x-2>18" on a test?

• Run

• Isolate the variable on one side of the equation

• Subtract 18 from each side.

• Perform a statistical analysis

What is a variable in mathematics?

• A mathematical operation like addition or subtraction

• A number that does not change its value

• A letter or symbol that represents different values or numbers

• Someone who can't make up their mind.

Which letter is most often used as a variable?

• m

• x

• 7

• b

Identify the operator in the equation 3x + 4 = 28.

• 3x

• 4

• +

• 28

What are constants in the equation 3x + 4 = 28?

• 3 and x

• x and 28

• 3 and 4

• 4 and 28

What symbol is often used in algebra to represent multiplication to avoid confusion with the variable 'x'?

• Plus sign (+)

• Inverted question mark (¿)

• Dot (⋅)

• Tilde (~)

What is the term used for the number that is placed next to the variable to indicate multiplication?

• Constant

• Coefficient

• Variable

• Equation

In the expression 4x, what does the number 4 represent?

• The constant that is subtracted from the variable

• The variable that is multiplied by 4

• The coefficient, the number that is multiplied by x, the variable.

• The number 12

How is multiplication of a variable indicated in algebraic expressions?

• By typing "x"

• By drawing a pony at the bottom of the worksheet.

• By placing the number directly next to the variable without a sign

• By using the division sign (/)

Why do we isolate the variable on one side of the equation or inequality?

• To make the equation look simpler

• To determine the value or possible values of the variable

• To eliminate the variable from the equation

• To balance both sides of the equation