Find the product.5x(-7x + 10)
A. 15x2
B. -7x2 + 50x
C. -35x2 + 50x
D. -35x2 + 10x
Answer: C
Mathematics
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Find the focus and directrix of the parabola.- 
x2 = y
A. (0, -10); y = -10 B. (-20, 0); x = 10 C. (0, 10); y = -10 D. (0, -10); y = 10
Mathematics
Write as a decimal.
A. 0.9
B. 0.9
C. 0.8
D. 0.9
Mathematics
Solve the problem.Find the first four terms of the sequence with first term 9 and nth term an = an-1 + 4.
A. 13, 17, 21, 25 B. 9, 4, 8, 12 C. 9, 13, 17, 21 D. 0, 4, 8, 12
Mathematics
Find the equation in standard form of the parabola described.The vertex has coordinates (7, 6), and the focus has coordinates (5, 6).
A. (y - 6)2 = 8(x - 7) B. (x - 6)2 = 4(y - 6) C. (x - 6)2 = -4(y - 6) D. (y - 6)2 = -8(x - 7)
Mathematics