Literal Equations and Formulas Assessment
Name__________________________
bc
d
1.
Solve for c:
a
2.
Solve for x:
y  mx  b
3.
A student worked the problem below as shown. Is it correct or not? If not, show where it is
incorrect and work it correctly.
Solve for y:
ax  by  c
ax = c – by
ax
y
cb
Improving Student Achievement in Algebra, Grades 7-12. The DuPage1 Mathematics Network.
DuPage Regional Office of Education. May 2007
1
For problems 4-6, use the appropriate formula to solve each problem.
d  rt
4.
P  2l  2w
F
9
C  32
5
A
1
bh
2
Rufus, Ngyuen’s new poodle, needs to have a fenced-in dog run. Rufus needs to have a dog run
that is 51 feet long and 63 feet wide.
Sketch a diagram of the dog run.
Calculate the fencing Ngyuen needs to build the dog run.
5.
Svend Olge is traveling on the German Exchange trip, and the temperature in Europe is
measured in Celsius. If the average temperature in Munich, Germany is 31 degrees Celsius,
what type of clothing should he plan on wearing? Explain how you arrived at your answer.
6.
The Scoropadtzky-Zhu family is going on a trip to Walt Disney World. The airplane is traveling
at an average speed of 402 miles per hour. If the plane travels 1005 miles, how long must the
battery on Pierre’s iPod last if he wants to listen to it the entire plane ride? Explain how you
arrived at your answer.
Improving Student Achievement in Algebra, Grades 7-12. The DuPage1 Mathematics Network.
DuPage Regional Office of Education. May 2007
2