Line AB contains points A (−3, 5) and B (−3, 3). Line AB has a slope that is

Mathematics

2 answers:

fenix001 [56]3 years ago

7 0

Slope = y1-y2/x1-x2 .. 5-3/-3--3 = math error (its parallel to y axis)

igor_vitrenko [27]3 years ago

5 0

You have to take the both y coordinates and subtract and then take both x coordinates and subtract them too then you'll end up with a y/x answer so u have to divide it and that'll be ur answer if its not divisible then u will stay with that fraction

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timofeeve [1]

Answer:

The third choice

Step-by-step explanation:

We need to find the slope and y-intercept of the line and then put it into y = mx = b form. To find the slope, pick a point on the line; I will use (-2, 5); count how many units up you need to go to get to the next point on the line, which in this case it would be 3. The count how many to the right or left you would need to go, which is 1 to the left. Moving left means a negative, so it is -1. Your slope fraction would be $\frac{3}{-1}$ , since slope is rise over run. You can sub this fraction in for m in y = mx + b, which will give you a revised equation of y = -3x = b. To find the y intercept, or b, just find the point where the line crosses the y-axis, which is -1. So, the equation is now y = -3x - 1.The correct answer is third choice.