Review of Equations and Inequalities

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone on one side.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the first step in solving the equation: 2x + 3 = 11?

Back

Subtract 3 from both sides to isolate the term with the variable.

Front

What is the solution to the equation: -6w + 1 = -11?

Back

w = 2.

Front

How do you express 'four more than six times a number' as an equation?

Back

4 + 6x.

Front

What is the probability of an event not occurring, if P(A) = 1/4?

Back

P(not A) = 1 - P(A) = 3/4.

Front

What is the first step to solve the equation: 11 - 3x = 44?

Back

Subtract 11 from both sides.

Front

Back

y = -90.