Is 4x+7 an equation? [1 MARK]
No, because every equation must be equated with some quantities by including "=”. So, the given problem is an expression.
Whether 4x+7 is an equation or not? [1 MARK]
4x + 7 > 5 is an equation.
Without solving, examine the nature of roots of the equation. 4x2 – 4x + 1 = 0 [2 MARKS]