Match the equation to the graph.y2 = -4x
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use substitution to factor the polynomial.10y4 - 7y2 - 12
A. (10y2 - 3)(y2 + 4) B. (2y2 + 1)(5y2 - 12) C. (2y2 - 3)(5y2 + 4) D. (5y - 4)(2y + 3)
Mathematics
In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.a = 30 cm, c = 50 cm
A. b = 20 cm B. b = 10 cm C. b = 80 cm D. b = 40 cm
Mathematics
Multiply.-16(-16)
A. 2560 B. 272 C. 156 D. 256
Mathematics
Find an equation in standard form for the hyperbola that satisfies the given conditions.Center (4, -3), focus (9, -3), vertex (7, -3)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics