Q
What is the solution to the equation x^2 - 4 = 0 in algebra?

Answer & Solution

Answer: Option B
Solution:
To solve the equation x^2 - 4 = 0, factor the expression: (x - 2)(x + 2) = 0, then x = 2 or x = -2.
Related Questions on Average

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

Which of the following is a variable in algebra?

A). x + 5

B). 10

C). 2x

D). y * z

What is the degree of the polynomial 4x^3 + 2x^2 - x + 7?

A). 1

B). 2

C). 3

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What is the solution to the equation 2x^2 + 5x - 3 = 0 in algebra?

A). x = -3 or x = 1/2

B). x = -1/2 or x = 3

C). x = -1 or x = 3/2

D). x = -3/2 or x = 1

Which property of algebra allows you to add or multiply terms in any order?

A). Commutative property

B). Associative property

C). Distributive property

D). Identity property

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

What is the purpose of using variables in algebra?

A). Representing unknown quantities

B). Making calculations faster

C). Adding complexity to equations

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In algebraic expressions, what does the term 'exponent' represent?

A). The number being multiplied

B). The result of multiplication

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Which of the following is an example of a linear equation in algebra?

A). 3x^2 + 5 = 0

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C). (x + 2)(x - 3) = 0

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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