Fill in the missing factor.x2 - 11x + 30 = (x - 5)( )
A. 5 - x
B. x - 6
C. x + 6
D. x2 + 5
Answer: B
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Perform the indicated arithmetic.4
÷ 2
A. 1
B. 1
C. 1
D. 2
Multiply. Assume that all variables represent natural numbers.(x3n - y)(x2n- 6y2n)
A. x5n- 6x3ny - x2ny2n + 6y2n+1 B. x5n- 7x3ny2n + 6y2n+1 C. x5n- 6x3ny2n - x2ny + 6y2n D. x5n- 6x3ny2n - x2ny + 6y2n+1
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(x + 12)2
A. x + 144 B. 144x2 + 24x + 144 C. x2 + 144 D. x2 + 24x + 144
Solve the problem.As part of a physics experiment, Ming drops a baseball from the top of a 310-foot building. To the nearest tenth of a second, for how many seconds will the baseball fall? (Hint: Use the formula h = 16t2, which gives the distance h, in feet, that a free-falling object travels in t seconds.)
A. 19.4 sec B. 1.1 sec C. 4.4 sec D. 77.5 sec