Sagot :
Answer:
An equation consists of two expressions (not necessarily quadratic) with an = sign between them. x^2+5x+4 is an expression, x^2+5x+4=0 is an equation. Quadratic Equation is an equation in which the power of variable mostly 'x' is two. For example: x^2+3x+5=0 is a quadratic equation.
Answer:
Solving a quadratic inequality in Algebra is similar to solving a quadratic equation. The only exception is that, with quadratic equations, you equate the expressions to zero, but with inequalities, you’re interested in knowing what’s on either side of the zero i.e. negatives and positives.
Step-by-step explanation: