1. Which is an equation in slope-intercept form of the line that contains the points (7, –9) and (8, –7)? a. y = 2x – 23

b. x + 2y = –23

c. y = 2x + 23

d. x – 2y = 23

2. Write an equation in point-slope form of the line with slope –8 that contains the point (–3, 2).

a. y plus 3 equals negative 8 left parenthesis x minus 2 right parenthesis

b. y plus 2 equals negative 8 left parenthesis x minus 3 right parenthesis

c. y minus 3 equals negative 8 left parenthesis x plus 2 right parenthesis

d. y minus 2 equals negative 8 left parenthesis x plus 3 right parenthesis

3. Write an equation in slope-intercept form of the line that has a slope of and a y-intercept of (0,-1).

a. y = x – 1

b. y = x + 1

c. y = x – 1

d. y = x + 1