Answer ill give brainlest<3

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

The scatterplot below shows the number of hours that students read weekly and the number of hours that they spend on chores weekly. which statement about the scatterplot is true?