Find the y-intercept of the polynomial function.f(x) = -x2(x + 2)(x - 9)
A. -9
B. 18
C. 0
D. -18
Answer: C
Mathematics
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Solve the system of equations.9x2 + 4y2 = 362y + 3x = 6
A. (0, -3), (-2, 0) B. (0, 2), (3, 0) C. (0, 3), (2, 0) D. (0, -2), (0, -3)
Mathematics
Find the whole.43% of what number of seconds is 68 seconds?
A. 1580 seconds B. 60 seconds C. 0.6 seconds D. 158 seconds
Mathematics
Evaluate the expression for x = -2, y = 3, z = -4.-9x - 2y - 6z
A. 1 B. 36 C. 42 D. 8
Mathematics
Factor.a2 - 2ab + b2
A. (a - b)(a + b) B. (a + b)2 C. (a - b)2 D. Not possible
Mathematics