Provide an appropriate response.Assuming you have factored out the largest common factor at the outset, why can you reject a possible factor such as (2x + 2) or (3x - 6) when you are factoring a trinomial?
What will be an ideal response?
Factors such as (2x + 2) or (3x - 6) contain a common factor and, since the largest common factor has already been removed, such factors are not possible.
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Solve the problem.A domed ceiling is a parabolic surface. For the best lighting on the floor, a light source is to be placed at the focus of the surface. If 9 m down from the top of the dome the ceiling is 19 m wide, find the best location for the light source. Round to one decimal place if necessary.
A. 5 m down from the top B. 2.5 m down from the top C. 10 m down from the top D. 7.5 m down from the top
Solve the problem.How long will it take a sample of radioactive substance to decay to half of its original amount, if it decays according to the function A(t) = 750e-0.033t, where t is the time in years? Round to the nearest hundredth.
A. 24.75 yr B. 221.61 yr C. 21.00 yr D. 200.61 yr
Find the lateral surface area and volume of the following solid object. (Round as directed in parentheses and use the ? key for ?.
A. L = 30,900 m2, V = 778,400 m3 B. L = 29,700 m2, V = 778,100 m3 C. L = 30,100 m2, V = 780,300 m3 D. L = 24,300 m2, V = 762,400 m3
The calculator graphs shows the x-values of the x-intercepts of the graph of the polynomial in the equation. Use the graphs to solve the equation.-2x2 -3x +5 = 0
A. {-5, 2} B. {-2.5, 1} C. {-1, 2.5} D. {-3, 5}