Posted by Shirley on Sunday, December 2, 2007 at 2:06pm.
Can someone check my answers?
1. Write the equation of the line that passes through point (–2, 3) with a slope of –4.
Answer: y = 4x  5
2. Find the slope and yintercept.
x = –8
Answer: Slope: undefined; yintercept: none
3. Write the equation of the line which has yintercept (0, 5) and is perpendicular to the line with equation y = –3x + 1.
Answer: y = 1/3x + 5
4. Write the equation of the line passing through (4, 4) and (4, 2).
Answer: x = 4
5. Determine which two equations represent perpendicular lines.
A. y = 4/7x – 3
B. y = 3x – 4/7
C. y = 1/3x + 4/7
D. y = 1/3x – 4/7
Answer: b and c
6. Find the yintercept.
–x + 3y = 15
Answer: (0,5)
7. Determine which two equations represent parallel lines.
A. y = 5/3x + 4
B. y = 3/5x – 7
C. y = 2x + 8
D. y = 2x – 4
Answer: c and d
8. Find the slope of the line passing through the points (–7, –4) and (–1, –10).
Answer: 1
9. Find the slope of the line passing through the points (–9, –4) and (0, –4).
Answer: 0
10. Find the slope of the line passing through the points (4, 0) and (4, 5).
Answer: Undefined
11. An employee who produces x units per hour earns an hourly wage of y = 0.35x + 11 (in dollars). Find the hourly wage for an employee who produces 2 units per hour.
Answer: $11.70
12. Which of the ordered pairs
(3, 1), (0, –4), (–4, 0), (–3, –7)
are solutions for the equation x – y = 4?
Answer: (0, –4) and (–3, –7)
13. Find the slope of the line passing through the points (–8, –3) and (–2, 2).
Answer: 5/6

Algebra  Reiny, Sunday, December 2, 2007 at 6:03pm
#1 correct
#2 you did not finish writing the question

Algebra  Mason, Friday, February 20, 2015 at 6:45pm
5,2 3.8

Algebra  Anonymous, Saturday, October 3, 2015 at 4:09pm
10) Two perpendicular lines pass through the point (0, 8). One of the lines has a slope of 4. Write the equation of both lines in slopeintercept form.
Answer This Question
Related Questions
 math  i have more than one question so if u no any of the answers please tell ...
 geometry  I would love for someone to check my work on the seven problems that ...
 Algebra  Could someone correct my answers and help with the other problems? 1. ...
 Algebra  Could someone correct my answers and help with the other problems? 1. ...
 Math/Algebra do u know how to do slope intercept?  The following problems are ...
 algebra[please check]  in questions 1 and 2, write an equation of the line in ...
 ALGEBRA  Solve for y intercepts 7x+y=2 Answer: Y = 2 7x + 2y = 4 Answer: Y = ...
 Precalculuscheck answers  Write the slopeintercept form of the equation of ...
 math  I have a few question so I will number them off. Please answer them for ...
 Algebra  Could someone correct my answers and help with the other problems? 1. ...
More Related Questions