circle AND show your

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Chapter 7 – Math – PSSA Practice (Part 1)
Name: ______________________________________
For # 1, circle correct or incorrect for each possible answer AND for EACH answer, show your
work OR explain why to support your choice of correct or incorrect.
2
1. Kent thinks that x  x and x are equivalent expressions
because they each have a value of 4 when x  2 . Which
statement BEST demonstrates whether Kent is correct?
A. Kent is correct because x  x is the
2
same as 2 x , and 2 x is the same as x .
correct OR incorrect
B. Kent is correct because the two
expressions are equivalent when x  0 .
correct OR incorrect
C. Kent is NOT correct because the two
expressions do not have the same value
at x  1 .
correct OR incorrect
D. Kent is NOT correct because expressions
can never be equivalent if they use
different operations.
correct OR incorrect
For # 2, circle the correct answer AND show your work to support your answer choice.
2. Alex and Payton each have a favorite pancake recipe.
1
7
 Alex’s recipe uses
cups of flour for 5 batches.
2
3
 Payton’s recipe uses
cups of flour more per batch than
4
Alex’s recipe uses per batch.
Which expression can be used to determine the number of cups
of flour used to make x batches of Payton’s pancake recipe?
A. 2
1
x
4
1
3
1
x

C.
2
4
1
B. 8 x
4
1
3
7
x

D.
2
4
** Hint – you will need to refresh your memory on dividing fractions. (KCF!)
For # 3, circle the correct answer AND show your work to support your answer choice.
3. Jenae goes to the store to buy a jacket. The store is having a sale
for 30% off the original price of the jackets. Jenae also has a $10off coupon she will use to buy the jacket. The expression below
can be used to find her final price for a jacket with an original
price of p dollars.
0.7 p  10
The jacket Jenae decides to buy has an original price of
p  $87.99 . What is the final price of the jacket Jenae is buying?
A. $51.59
B. $54.59
C. $71.59
D. $84.99
** Hint: Show your substitution in parentheses, one step per line,
working down, with arrows.
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