Solve.m - 1 ? -5
A. m ? 4
B. m ? -4
C. m ? -6
D. m ? 6
Answer: B
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Use < or > for ? to write true sentence.
? 
A. < B. >
Determine the real zeros of the polynomial and their multiplicities. Then decide whether the graph touches or crosses the x-axis at each zero.f(x) = 2(x2 + 5)(x + 4)2
A. -4, multiplicity 2, touches x-axis B. -4, multiplicity 2, crosses x-axis C. -5, multiplicity 1, crosses x-axis; -4, multiplicity 2, touches x-axis D. -5, multiplicity 1, touches x-axis; -4, multiplicity 2, crosses x-axis
Solve the problem.An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers stand 40 inches apart. At a point between the towers and 12 inches along the road from the base of one tower, the cable is 0.64 inches above the roadway. Find the height of the towers.
A. 6 in. B. 3.5 in. C. 4.5 in. D. 4 in.
Solve the equation.12n2 + 90n = 0
A. 
B. 
C. 
D. {0}