Question

A line passes through (1 1) and (−3 5) . what is the equation of the line in slope-intercept form?

A.) Y=-2x-1
B.) Y=-x+5
C.) Y=-x+2
D.) Y=-2x+3

Answer 1

Answer: C

Explanation:

The best way to solve this is to replace the numbers and solve. The first number in an ordered pair is the x-value and the second is the y-value. So, you are replacing the X in each situation with the first number in these ordered pairs and seeing if the answer is what is the second value.

For A, you get (-2)(1)-1. This equals -3. This is not correct.

For B, you have -1+5, which is 6. This is also incorrect

For C, you have -1+2, which is 1. For the second ordered pair, 3+2. This is also correct.