Answer & Solution
Answer: Option B
Solution:
The identity (x + y)(x - y) = x^2 - y^2 is a valid algebraic identity known as the difference of squares.
Q
Which of the following is a valid algebraic identity?
Related Questions on Average
In algebraic expressions, what does the term 'coefficient' refer to?
A). The constant part of the expression
B). The highest power of a variable
C). The number in front of a variable
D). The solution to the equation
Which of the following is a binomial in algebra?
A). 2x^2 + 5
B). 3x^3 + 2x^2 - x
C). x^2 - 4
D). 4x + 7
What is the solution to the equation 3(x + 4) = 21 in algebra?
A). x = 3
B). x = 5
C). x = 7
D). x = 9
What is the degree of the polynomial 4x^3 + 2x^2 - x + 7?
A). 1
B). 2
C). 3
D). 4
What does the term 'factor' mean in algebra?
A). To break down an expression into simpler parts
B). To multiply two or more terms
C). To add terms together
D). To rearrange terms in an equation
Which of the following is a variable in algebra?
A). x + 5
B). 10
C). 2x
D). y * z
What does the term 'expression' refer to in algebra?
A). A mathematical phrase containing numbers and variables
B). An equation with an equal sign
C). A statement that is always true
D). A function with inputs and outputs
Which of the following is a trinomial in algebra?
A). 2x^2 + 5
B). 3x^3 + 2x^2 - x
C). x^2 - 4 + 6
D). 4x + 7
Which property allows you to multiply a sum by distributing the multiplication over each term?
A). Distributive property
B). Commutative property
C). Associative property
D). Identity property
In algebraic expressions, what does the term 'exponent' represent?
A). The number being multiplied
B). The result of multiplication
C). The base raised to a power
D). The constant term