Explanation for Question 2 From the Math (No Calc) Section on the 2018 April Sat
Question two asks, which of the following is the graph of the equation. 2 Y equals three X minus two in the X, 3 Y plane. So to solve this problem, 4 we're going to use the Y equals MX plus B formula or M is 5 equal to the slope. And B is equal to the Y intercept from that, 6 we know that three is the slope of this line and 7 negative two is the Y intercept. 8 So let's just start by trying to find the lines that don't have a 9 Y intercept of two of negative two. 10 Well, a has a Y intercept of zero, 11 zero. So we can eliminate that. B has a Y 12 intercept of negative two. So for now, 13 we're going to keep that in running C has a Y intercept of negative 14 three. So that's incorrect and D has a Y intercept 15 of positive two. So that's also incorrect. 16 So from that alone, we actually know that the answer is B, 17 but just to make sure you, if you calculate the slope of this line, 18 you'll see, it goes up 1, 2, 3 over one. 19 So the rise of her one is three over one, 20 and the slope is three, which is the slope of the equation we were 21 given. So we know that B must be the correct answer.