Test_-_sequences_2017_(review).pdf - Zoe Mahler Name:_...

Name:_____________________________ Date:_______________
Algebra 1 - Test #1- Sequences - REVIEW Dr. Sichel
Grade (out of 33): _____
4) Faith wants to use the formula
± ² ± ²
5
32
9
C f f ³
to convert degrees Fahrenheit, f , to
degrees Celsius,
± ²
C f . If Faith calculated
± ²
68 C , what would her result be?
(2 pts)
a)
20
Celsius b)
20
Fahrenheit c)
154
Celsius d)
154
Fahrenheit
5) Andy has $310 in his account. Each week, w , he withdraws $30 for his expenses. Which
expression could be used if he wanted to find out how much money he had left after 8
weeks?
(2 pts)
³ ³
8) Let
± ²
f x x and
± ²
2
6 g x x ³ ´ . Does
± ² ± ²
3 3 f g ³ ³ ? Justify your answer.
(3 pts)
12) Nora says that they graph of a rectangle is a function because she can trace the whole graph
without picking up her pencil.
Mia says that a rectangle is not a function because multiple values of x map to the same
value.
Determine if either one is correct, and justify your answer completely.
y –