Algebra Prognosis

#1 (Test 1)

if $\ y\ =\ 2,\$ then  $y^5\ =\$  

• A. 7

• B. 10

• C. 25

• D. 32

• E. None of the above

#2 (Test 1)

  $7^2\ =\$ 

• F.     5

• G.     9

• H.    14

• J.       128

• K. None of the above

#3 (Test 1)

  $if\ d\ =\ 5,\$ then  $d^3\ =$  

• A.    8

• B.    15

• C.     125

• D.     243

• E.    None of the above

#4 (Test 1)

if  $w\ =\ 3,\ \$  then  $w^{4\ }=\$  

• F.    81

• G.    64

• H.    27

• J.    12

• K.   None of the above

#5 (Test 1)

if  $x\ =\ 3,\$  then  $5x^{2\ }=\$  

• A.     30

• B.     45

• C.     75

• D.     225

• E.     None of the above

#6 (Test 1)

if  $x\ =\ 2\$  and  $y\ =\ 3,$  then  $x^4y^{2\ }=\$  

• F.     6

• G.    36

• H.    48

• J.     144

• K.     None of the above

#7 (Test 2)

A boy is n years old. His sister is four times as old. The sister's age is ---

• A. 4 years

• B. n years

• C. 3n years

• D. 4n years

• E. None of the above

#8 (Test 2)

If Mary reads at a rate of x words per minute, then in 3 minutes she would read ---

• F. x words

• G. 3 words

• H. 3x words

• J. 3x³ words

• K. None of the above

#9 (Test 2)

Choose a correct way of writing this sentence: A number r multiplied by itself is less than 25.

• A. $r^2>25$

• B. $r^2<25$

• C. $r^2<r$

• D. $r^{\ }<\ 25$

• E. None of the above

#10 (Test 2)

Carmen collects y dollars from each of 20 customers on her paper route. She will collect a total of ---

• F. 20 dollars

• G. y dollars

• H. $\frac{y}{20}$ dollars

• J. 20 + y dollars

• K. None of the above