Solve the equation in the complex number system.x2 + x + 6 = 0
A. 
B. 
C. 
D. 
Answer: A
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Complete the square for the binomial. Then factor the resulting perfect square trinomial.x2 + 
x
A. x2 + 
x + 144 = (x + 12)2
B. x2 + 
x + 
= 
2
C. x2 + 
x + 
= 
2
D. x2 + 
x + 
= 
2
Solve the problem.The formula v = 
can be used to estimate the speed of a car, v, in miles per hour, based on the length, L, in feet, of its skid marks upon sudden braking on a dry asphalt road. If a car is involved in an accident and its skid marks measure 45 feet, at what estimated speed was the car traveling when it applied its brakes just prior to the accident?
A. 40 mph B. 35 mph C. 25 mph D. 30 mph
Provide the requested proof.In the figure below, AB = AE, AC = AD and 
is perpendicular to 
. Prove that 
What will be an ideal response?
Use the graph and formula for f(x) to find the average rates of change of f from -4 to -1 and from 1 to 4.f(x) = 0.4x2 - 3
A. 2; 2 B. 2; -2 C. -2; 2 D. -2; -2