Algebra 1
Name: ______________________________
Unit 4: PQ2
Date: ______________ Period: _________
“PRACTICE” QUIZ 2… Writing Linear Equations
Part 1: Write the equation of the line that passes through the given points.
_______________ 1)
passes through (-6 , 7) and (-3 , 0)
_______________ 2)
passes through (4 , -2) and (1 , -2)
_______________ 3)
passes through (2 , 0) and (-8 , -4)
_______________ 4)
passes through (-3 , 5) and (-3 , 9)
Part 2: Write the equation of the line that is perpendicular to the given line and has the given slope.
_______________ 5)
perpendicular to y   x  5 and passes through (3 , -4)
_______________ 6)
⊥ to y  4 x  7 and passes through (-8 , 0)
_______________ 7)
⊥ to y 
1
x  1 and passes through (-2 , -1)
3
Part 3: Rewrite the equation in slope-intercept form.
_______________ 8)
y  8  ( x  6)
_______________ 9)
y  (3)  5( x  9)
_______________ 10)
y
1
1
  ( x  8)
3
4
Part 4: Write the equation of the line in standard form.
2 y  7 x  5
_______________ 11)
_______________ 12)
 6x  4 y  1
_______________ 13)
5y 
5
x3
2
Part 5: Are the following pair of lines parallel (ll), perpendicular (⊥), or Neither (N)?
6
x  1 and
7
_______________ 14)
y
_______________ 15)
y  2x  3
and
y
7
x8
6
 6 x  3 y  12
Part 6: Applications.
_______________ 16) You have a job that pays by the hour. On Thursday, you worked for 7 hours and
earned $42. On Friday, you worked 2 hours and earned $12. Let x represent the
number of hours worked and let y represent the amount earned. Write an equation in
slope-intercept form that models this situation.
_______________ 17a) You are in charge for ordering sandwiches for this weekend’s Twilight party. Filet
_______________ 17b) mignon steak sandwiches cost $12 each and crab cake sandwiches cost $15 each.
You have $750 to spend.
a) Write a linear model for the possible combinations of spending on
sandwiches for the party.
b) If you buy 35 filet mignon steak sandwiches, how many crab cake
sandwiches could you buy?
_______________
_______________
_______________
_______________
18a)
18b)
18c)
18d)
Write an equation for each side of the figure.
a
b
d
c
Part 6: Short Answer.
19) Explain the difference between the slopes of parallel and perpendicular lines.
Response:
20) Persuade me that Slope-Intercept Form is undoubtedly more valuable and powerful compared to both
Point-Slope form and Standard form.
Response: