Algebra I Foundations Midterm Review

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

Front

What does interval notation represent?

Back

Interval notation is a way of writing subsets of the real number line, indicating the start and end points of an interval.

Front

What is the square root of 256?

Back

16

Front

What does it mean if an equation has one solution?

Back

It means there is exactly one value of the variable that satisfies the equation.

Front

What is the x-value of a point in quadrant II?

Back

The x-value is negative.

Front

How do you solve for x in the equation 6(3a + 1) - 30 = 3(2a - 4)?

Back

First, simplify both sides and then isolate x to find the solution.

Front

What is the definition of an inequality?

Back

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

Front

What does the symbol '∪' represent in interval notation?

Back

The symbol '∪' represents the union of two sets, combining all elements from both sets.

Front

What is the difference between a solution and an identity in equations?

Back

A solution is a specific value that satisfies the equation, while an identity is an equation that is true for all values of the variable.

Front

What is the meaning of 'no solution' in an equation?

Back

It means there are no values of the variable that can satisfy the equation.