If (p(x)=x^2+ax+b), (p(2)=3), and (p(-1)=6), what is the value of (a+b)?
Answer and explanation
Correct answer: (1)
The conditions give (2a+b=-1) and (-a+b=5), so (a=-2), (b=3), and (a+b=1). When two values are given, form two equations.
Frequently asked questions
What is the correct answer to this question?
(1)
Why is this the correct answer?
The conditions give (2a+b=-1) and (-a+b=5), so (a=-2), (b=3), and (a+b=1). When two values are given, form two equations.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Polynomials in one variable.
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