Solve the quadratic equation by completing the square.x2 + 18x + 70 = 0
A. x = -18 + 
B. x = -9 ± 
C. x = 9 ± 
D. x = 9 + 
Answer: B
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Solve the problem.At lift-off, a rocket weighs 40.2 tons, including the weight of fuel. It is fired vertically, and the fuel is consumed at the rate of 2.23 tons per 1,000 ft of ascent. How much work is done in lifting the rocket to an altitude of 10,000 ft?
A. 3.28 x 105 ft?ton B. 2.91 x 105 ft?ton C. 3.46 x 105 ft?ton D. 5.14 x 105 ft?ton
Find the Taylor series generated by f at x = a.f(x) = 6x - 2, a = -1
A. 6(x + 1) - 4 B. 6(x - 1) - 4 C. 6(x + 1) - 8 D. 6(x - 1) - 8
Find the real zeros of the function. List the x-intercepts of the graph of the function.f(x) = 2(x + 1)2 + 12(x + 1) + 16
A. x = 
, x = 3
B. x = - 
, x = -4
C. x = - 3, x = -5
D. x = - 2, x = -5
Divide and/or multiply as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
÷ 
A. 
B. x + 3
C. 
D. 