Maths Super Easy Tips πππ₯³ Flashcards
What is algebra?
Algebra is a branch of mathematics that uses symbols and letters to represent numbers and quantities in formulas and equations.
True or False: Algebra only deals with numbers.
False
Fill in the blank: In algebra, a __________ is a mathematical statement that two expressions are equal.
equation
What is the purpose of using variables in algebra?
Variables are used to represent unknown values or quantities.
Multiple choice: Which of the following is an example of an algebraic expression? A) 5 + 3 B) x + 2 C) 7 = 4
B) x + 2
What does the term βsolve an equationβ mean?
To find the value of the variable that makes the equation true.
True or False: The expression 3x + 4 is an equation.
False
Fill in the blank: The solution to the equation x + 5 = 10 is __________.
5
What is a coefficient in algebra?
A coefficient is a numerical factor that multiplies a variable in an algebraic expression.
Multiple choice: Which of the following represents a linear equation? A) y = 2x + 3 B) y = x^2 C) y = 3/x
A) y = 2x + 3
What is the difference between an expression and an equation?
An expression does not have an equality sign, while an equation does.
True or False: The expression 4x - 7 can be simplified to 4x + 7.
False
Fill in the blank: In the expression 7a + 2b, the term β2bβ is a __________ term.
variable
What is the distributive property in algebra?
The distributive property states that a(b + c) = ab + ac.
Multiple choice: What is the value of x in the equation 2x + 3 = 11? A) 4 B) 5 C) 3
A) 4
What is a polynomial?
A polynomial is an algebraic expression that consists of variables raised to whole number powers and coefficients.
True or False: The term βquadraticβ refers to equations of degree 2.
True
Fill in the blank: A __________ is a function that can be represented by a quadratic equation.
parabola
What does it mean to factor an expression?
To break down an expression into simpler components that, when multiplied together, give the original expression.
Multiple choice: Which of the following is a quadratic equation? A) x^2 + 4x + 4 = 0 B) 2x + 3 = 5 C) x - 7 = 0
A) x^2 + 4x + 4 = 0
What is the purpose of graphing an equation?
To visually represent the solutions of the equation on a coordinate plane.
True or False: The term βrootsβ refers to the x-intercepts of a graph of a quadratic equation.
True
Fill in the blank: The equation y = mx + b is the __________ form of a linear equation.
slope-intercept
What is a system of equations?
A set of two or more equations with the same variables.