Heather was asked to graph 3x - y = -4 by using slope and y-intercept. her graph is shown. which choice supports the graph that she has drawn? a) the slope is positive 3 and the y-intercept is (0,4). b) the slope is negative 3 and the y-intercept is (0,4). c) the slope is positive 3 and the y-intercept is (0,-4). d) the slope is negative 3 and the y-intercept is (0,-4).

Hello! The y-intercept is (0, 4), because the line crosses 0 in the x-axis at that point. We can cross out C and D, because those don't show that. The slope is rise/run. You would go up 3, and go to the right once. If you need to, solve for slope by doing y2 - y1/ x2 - x1. Let's use the point (0, 4) and (1, 7) as an example. We would set it up like this: 7 - 4 / 1 - 0. Solving that would give us 3/1 or just simply three. The slope is positive 3 and the y-intercept is (0, 4). The answer is A.

Sorry i really need my points