1. Which is the equation in slope-intercept form for the line that passes through (6, 16) and is perpendicular to 2x + 5y = 4?

y=−25x+18

y=25x+14

y=52x+1

y=−52x+31

2. What is the slope of a line parallel to the line whose equation is 4x – 2y = 7?

−12

12

2

72

3. Which is the equation of a line perpendicular to the line with the equation 5x – 4y = 8?

5x – 4y = 3

5x + 3y = 3

4x – 5y = 5

4x + 5y = 5

4. Which is the equation in slope-intercept form for the line that passes through (−2, 4) and is parallel to 2x + y = 4?

y=12x+5

y=−2x

y = 2x + 8

y=−12x+3

5. Which best describes the relationship between the lines?

3x – y = −7

6x – 2y = 1

perpendicular

same line

parallel

neither