Question

If p(x) = 3x²- ax + 1 and we want p(1) = 2. What number should we take in the place
of a?

Answer 1

Answer:2

Explanation:

p(x)--->p(1)

means you should write 1 instead of every x and then make whole equation equal ro 2:

3*1^2-a*1+1=3-a+1=2

-a+4=2

-a=-2

a=2

Answer 2

Explanation:

`p(x)=2x^2-ax+1\\\\p(1)=3* 1^2-a*1+1=4-a\\\\\text{but } p(1)=2 \text{ So,}\\\\4-a=2 \rightarrow a=2`