Algebra 1 Essential Concepts Quiz

What does a variable represent in algebra?

• A constant value

• A mathematical operation

• An unknown number

• A known number

What is the result of combining like terms in the expression 2x + 3x?

• 2x + 3x

• x

• 6x

• 5x

Which property is used in the expression 3(x + 2) = 3x + 6?

• Identity Property

• Commutative Property

• Distributive Property

• Associative Property

What is the first step in solving the equation 2x + 3 = 11?

• Multiply both sides by 2

• Divide both sides by 2

• Subtract 3 from both sides

• Add 3 to both sides

In the slope-intercept form y = mx + b, what does 'm' represent?

• The y-intercept

• The x-intercept

• The slope

• The origin

What does a positive slope indicate about a line on a graph?

• The line is horizontal

• The line is vertical

• The line goes up

• The line goes down

What operation does the word 'times' indicate in a word problem?

• Addition

• Subtraction

• Division

• Multiplication

What should you do if you encounter a division by zero in a problem?

• Consider it undefined

• Use zero as the result

• Continue solving

• Multiply instead

What is the result of multiplying a negative number by a positive number?

• Undefined

• Zero

• Negative

• Positive

What is the order of operations in algebra?

• PMSDA

• PMDAS

• PEDMAS

• PEMDAS