Multiply.7x2(4x2 - 5x - 6)
A. 28x4 - 35x2 - 42
B. 28x4 - 35x - 42
C. 11x4 + 2x + 1
D. 28x4 - 35x3 - 42x2
Answer: D
Mathematics
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Solve.Find the points of intersection of the ellipse 16x2 + 25y2 = 400 and the line 5y + 4x = 20.
A. (0, -5), (0, -4) B. (0, 4), (5,0) C. (0, -4), (-5, 0) D. (0, 5), (4, 0)
Mathematics
Solve each of the following systems of equations. If the system is inconsistent or dependent, say so. x - 6y = 28-4x - 7y = 12
A. (-4, -3) B. No solution C. (4, -4) D. (3, -3)
Mathematics
Factor the trinomial completely.3x4 + 9x3 - 30x2
A. x2(x + 5)(3x - 6) B. 3(x2 + 5)(x2 - 2) C. 3x2(x + 5)(x - 2) D. x2(3x + 15)(x - 2)
Mathematics
State the end behavior of the graph of f.f(x) = 5x3
A. Down on left side, up on right side B. Down on both sides C. Up on left side, down on right side D. Up on both sides
Mathematics