Equation And Inequalities Flashcards
(26 cards)
What is an equation?
An equation is a mathematical statement that asserts the equality of two expressions.
True or False: An inequality shows that two expressions are not necessarily equal.
True
What is the standard form of a linear equation?
The standard form of a linear equation is Ax + By = C, where A, B, and C are constants.
Fill in the blank: In the equation 3x + 5 = 11, the value of x is ___
2
What symbol is used to represent ‘greater than’ in inequalities?
>
What is the solution to the inequality x - 4 < 6?
x < 10
True or False: The solution set of an equation can consist of more than one value.
True
What does it mean if an inequality is represented as x ≤ 5?
It means that x can be any number less than or equal to 5.
What is the first step to solve the equation 2x + 3 = 7?
Subtract 3 from both sides.
What is a solution to the equation 4x = 20?
x = 5
Multiple Choice: Which of the following is NOT a type of inequality? A) Linear B) Quadratic C) Cubic D) Exponential
D) Exponential
What is the graph of a linear equation typically called?
A line
Fill in the blank: The inequality x + 3 > 2 can be rewritten as x > ___
-1
What does the symbol ‘≥’ represent in inequalities?
Greater than or equal to
True or False: The solution of the inequality 5x - 2 > 3x + 4 is x > 3.
True
What is the term for the highest power of a variable in a polynomial equation?
Degree
What is the solution to the equation 3(x - 2) = 12?
x = 6
Multiple Choice: Which of the following represents a quadratic equation? A) x + 1 = 0 B) x^2 - 4 = 0 C) 3x = 5 D) x - 3 = 7
B) x^2 - 4 = 0
What is the solution set of the inequality 2x + 1 ≤ 5?
x ≤ 2
Fill in the blank: The equation y = mx + b represents a line in slope-intercept form, where m is the ___ and b is the ___
slope; y-intercept
What is the value of x in the equation 7 - 2x = 1?
x = 3
True or False: The solution to an equation can be a set of numbers.
True
What is the term for an equation that has no solution?
Inconsistent equation
What does it mean if the inequality x < 0 is true?
x is a negative number.