Answer: D
Step-by-step explanation:
We can solve for k by plugging in the x-intercept. We know that the x-intercept is 4, therefore the y is 0. The coordinates would be (4,0). Now that we have our x and y, we can plug in and solve for k.
4k+2(0)+8=0
4k+0+8=0
4k+8=0
4k=-8
k=-2
