SAT Math Practice Problems

Question:


k and l are two different positive integers and k is greater than l. If k 2 – l 2 = 7, what is the value of kl?

A) 6
B) 12
C) 17
D) 20
E) 21

Choose Your Answer:

 
A B C D E
 
Re-Test me over this question
-Mixed Numbers such as 2
1
2
must be entered as either a decimal, 2.5 or a fraction, 3/2.

-If a Decimal Answer does not fit in the space, it MUST be rounded AND contain 4 characters, including the decimal.
For example,
2
3
would be .667 while .666 would be incorrect and .67 would be incorrect

-Do NOT add a leading zero to a decimal, so 0.33 would be incorrect, while .33 would be correct.
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Reference:

 

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