2021 Fall Semester Exam 4

Front

What is a compound inequality?

Back

A compound inequality combines two inequalities using 'and' or 'or'. It represents a range of values that satisfy both conditions.

Front

Write the compound inequality that represents the amounts of money a student can bring.

Back

Front

What does it mean if an equation has infinitely many solutions?

Back

It means that there are an infinite number of values that satisfy the equation, often resulting from equivalent expressions.

Front

Solve the equation: 12(-2w - 9) = -2(12w +54). What is the solution type?

Back

Infinitely many solutions.

Front

What is the solution to the equation 2x - 1 = 4x + 5?

Back

Front

What is the value of y in the system of equations y = -4x + 11 and 3x + y = 9?

Back

Front

What does it mean if a system of equations has one solution?

Back

The graphs of the equations intersect at exactly one point.

Front

What does the graph of a system of equations with parallel lines look like?

Back

The lines never intersect and have no solutions.

Front

What is the solution to the equation 2x + 3 = 7?

Back

Front

What is the definition of a linear equation?

Back