Select all polynomials with graphs that intersect the x-axis at the origin. y= (+ 1) (0 - 1)
y=(+1) (+1)
y=x(+1) (- 2)
y=(2x + 2) (2-7)(x+1)
y=3x(2 - x)(x+6)(3-2)

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers