Which of the following is an example of a linear equation in algebra?
A). 3x^2 + 5 = 0
B). y = mx + b
C). (x + 2)(x - 3) = 0
D). 2x + 7 = 15
What is the solution to the equation 2x + 3 = 7 in algebra?
A). x = 4
B). x = 2
C). x = 5
D). x = 1
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 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
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 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
What is the fundamental concept of algebra?
A). Solving equations
B). Studying biology
C). Programming languages
D). Art and literature
Which of the following is a variable in algebra?
A). x + 5
B). 10
C). 2x
D). y * z
What is the correct order of operations in algebraic expressions?
A). Parentheses, Exponents, Multiplication/Division, Addition/Subtraction
B). Exponents, Parentheses, Addition/Subtraction, Multiplication/Division
C). Multiplication/Division, Exponents, Addition/Subtraction, Parentheses
D). Addition/Subtraction, Multiplication/Division, Exponents, Parentheses
What is the degree of the polynomial 4x^3 + 2x^2 - x + 7?
A). 1
B). 2
C). 3
D). 4