Y = x2 + 1 X -2 1 2 Is the function linear? Why or why not?
1 answer:
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In a quadratic function, the leading coefficient is
, i.e. the coefficient of
, and the constant term is
, i.e. the coefficient without any power of
.
So, if you want leading coefficient 2 and constant term -3, your function needs to be like
for any value of . Among your options:
- The first is not a quadratic (it starts with
)
- The second has leading term -3 and constant term 2
- The third is not a quadratic (same as the first)
- The last is correct.