Question: give me some unit 2 algebra 1 practice problems
1. Solve for $x$: $$2x + 5 = 15$$
2. Factor the quadratic expression: $$x^2 + 5x + 6$$
3. Simplify the expression: $$\frac{3x^2 - 6x}{3x}$$
4. Solve the inequality: $$3x - 4 > 5$$
5. Find the slope and y-intercept of the line: $$y = 4x - 7$$
These problems cover solving linear equations, factoring quadratics, simplifying rational expressions, solving inequalities, and understanding linear functions, which are typical topics in Unit 2 of Algebra 1.