You may solve a set of 10 questions with their detailed solutions and also a set of 50 questions, with their answers, in the applet to self test you background on how to

Solve linear equations.

Simplify algebraic expressions.

Simplify absolute value expressions.

Find the distance between two points.

Find x intercept(s) of the graph of an equation.

Evaluate functions.

Find the slope of a line passing through two points.