standard_description: Understand that rational expressions form a system analogous to the rational numbers, closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions.
problem_activity: Problem 1
Part A:
Describe the solution set to the inequality “
$$x$$
is greater than
$${-4}$$
and less than
$$5$$
” algebraically and graphically.
Part B:
Graph the solution set to the compound inequality shown below.
$$-5<2x+ 1<4$$
Problem 2
Jonah got a 76 on his midterm exam. To get a B in the course, the average of his midterm and his final must be between 80 and 89.
Write and solve a compound inequality that models this context. Describe the solution set in context of the problem.


aligns: no