Factor the trinomial completely. If the polynomial cannot be factored, write "prime."4x2y - 4xy - 12y
A. 4y(x2 - x - 3)
B. 4y(x - 3)(x - 1)
C. 4(x - 3y)(x - 1)
D. y(4x2 - 4x - 12)
Answer: A
Mathematics
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Solve the problem.If the price for a product is given by p = 6400 - x2, where x is the number of units sold, then the revenue is given by R = px = 6400x - x3. How many units must be sold to give zero revenue?
A. 0, 80 B. 6400 C. 0, 6400 D. 0
Mathematics
Graph the quadratic function using its vertex, axis of symmetry, and intercepts.f(x) = -x2 - 6x
A. vertex (3, 9)
intercepts (0, 0), (6, 0)
B. vertex (-3, 9)
intercepts (0, 0), (-6, 0)
C. vertex (3, -9)
intercept (0, -18)
D. vertex (-3, -9)
intercept (0, -18)
Mathematics
Solve the equation.7(x + 5) = (7x + 35)
A. {0} B. ? C. {All real numbers} D. {70}
Mathematics
Find the perimeter. Use 3.14 for ?.
A. 50.24 cm B. 100.48 cm C. 132.48 cm D. 164.48 cm
Mathematics