is x2-x-6 quadratic or not?
Home
/
is x2-x-6 quadratic or not?
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
Sometimes it is easier to find solutions or roots of a quadratic equation by factoring. Indeed, the basic principle to be used is:
if a and b are real or complex numbers such that ab=0, then a=0 or b=0 .
Example : Solve the equation
displaymath15
Solution. Factoring yields the equation:
displaymath17
Hence we have
displaymath19
which yield
displaymath21
Check that the quadratic formula leads to the same roots.
Answer:
Yes
Step-by-step explanation:
ax²+bx+c=0 is the standard form of quadratic equations. Therefore,
a= 1 b= -1 c= -6