Some primes are 1 more than a square. For example, 5 = 2 2 + 1. Can you find any other primes p so that p = n2 + 1?
?
A. 2, 5, 7, ...
B. 3, 4, 17, ...
C. 13, 17, 65,...
D. 3, 7, 17,...
E. 5, 17, 37, ...
Answer: E
Mathematics
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The equation of an ellipse is given. Put the equation in standard form and sketch the ellipse.9x2 + 49y2 = 441
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Use trial and error to factor the trinomial, or state that the trinomial is prime.9z2 + 6z - 8
A. prime B. (9z - 2)(z + 4) C. (3z - 2)(3z + 4) D. (3z + 2)(3z - 4)
Mathematics
Use the distributive property to rewrite the expression. Simplify if possible.6(x + 9)
A. 6x + 6 B. 6x + 54 C. 54x D. 6x + 9
Mathematics
Find the integral.
A. 
+ e2t + C
B. 
+ 
+ C
C. 
+ 2e2t + C
D. 
+ 
+ C
Mathematics