Linear Equations and Inequalities
Multiply: (9r + 3)(2r - 1)
What is 18r2 - 3r -3
Solve for x: 3 - x > 2x - 6
What is x < 3
Solve: 4x2 + 23x - 6
What is -6 and 1/4
Find the roots: 10x2 + 100x + 250
What is -5
Solve for x: 6 < -(-8-2x)
What is x > -1