Find the square.(4a - 1)2
A. 16a2 - 8a + 1
B. 16a2 + 1
C. 4a2 - 8a + 1
D. 4a2 + 1
Answer: A
Mathematics
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Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with x-intercepts ±6; foci at (-3, 0) and (3, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Multiply.(2x + 7)(2x + 7)
A. 2x2 + 27x + 49 B. 2x2 + 28x + 27 C. 4x2 + 49x + 28 D. 4x2 + 28x + 49
Mathematics
Multiply.(x + 2)(4x + 11)
A. 4x2 + 17x + 22 B. 4x2 + 22x + 19 C. 4x2 + 19x + 22 D. 4x2 + 19x + 19
Mathematics
Find the equation of the hyperbola satisfying the given conditions.Center at (0, 0); focus at (0, 
); vertex at (0, 7)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics