Factor the trinomial, or state that the trinomial is prime.2x2 - 7x - 15
A. (2x + 3)(x - 5)
B. (2x - 3)(x + 5)
C. (2x - 5)(x + 3)
D. prime
Answer: A
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Solve the problem. Round to the nearest hundredth if necessary.A restaurant serves dessert in a cone-shaped dish with a diameter of 9 cm. If the dish is 14 cm deep, how many cubic centimeters of dessert can the dish hold? Use 3.14 as the approximate value of ?.
A. 296.73 cm3 B. 1186.92 cm3 C. 131.88 cm3 D. 890.19 cm3
Considering the given value of t, choose the ordered pair that lies on the graph of the given pair of parametric equations.x = t2 - 6, y = t2 + 1; t = 3
A. (10, 3) B. (15, 8) C. (8, 15) D. (3, 10)
Solve the equation.10y = 5y + 10 + 4y
A. {100} B. {10} C. {-100} D. {-10}
Find the vertex and axis of symmetry of the graph of the function.f(x) = 3x2 - 12x
A. (-2, 0); x = -2 B. (-2, -12); x = -2 C. (2, 0); x = 2 D. (2, -12); x = 2