Question

In which of the following expressions does the "x" term have a coefficient of 1?

2x2+x−92 x squared plus x minus 9
2x2−3x+12 x squared minus 3 x plus 1
3x2−x−53 x squared minus x minus 5
x2+2x+7x squared plus 2 x plus 7

Answer 1

option A,
`2x^2+x-9`

Step-by-step explanation:

`2x^2 + x - 9`

Here x² has a coefficient of 2, x of 1, and constant is -9

`2x^2 - 3x+1`

Here x² has a coefficient of 2, x of -3, and constant is 1

`3x^2-x-5`

Here x² has a coefficient of 3, x of -1, and constant is -5

`x^2+2x+7`

Here x² has a coefficient of 1, x of 2, and constant is 7