Use factoring techniques to solve the quadratic equation.x2 + x - 30 = 0
A. {-6, -5}
B. {-5, 6}
C. {-6, 5}
D. {5, 6}
Answer: C
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Find the requested information using the law of cosines and/or the law of sines. Round to three decimal places.A triangle has side c = 2 and angles A = 
and B = 
. Find the length b of the side opposite B.
A. 1.035 B. 0.518 C. 1.464 D. 0.259
Simplify by combining like terms.-10.6 + 6.6x - 11.0 - 1.7x
A. 5.9x - 21.6 B. 4.9x + 0.4 C. 5.3x D. 4.9x - 21.6
Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 3
- 5
B. 
C. 3
+ 15
D. 3
- 15
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 
x2(x2 - 3)
A. 0, multiplicity 2, touches x-axis
B. 0, multiplicity 2, crosses x-axis
C. 0, multiplicity 2, touches x-axis;
, multiplicity 1, crosses x-axis;
-
, multiplicity 1, crosses x-axis
D. 0, multiplicity 2, crosses x-axis;
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis