Is your answer always a trinomial when you multiply a monomial with a trinomial?

Consider a graph for the equation y= -3x+4. what is the y intercept? a) 4 b) -4 c) 3 d) -3

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Use set buikder notation to represent the following set: {, -2, -1, 0}