30 points i’m stuck on this problem : complete the square 2t^2-4t-1 i know the answer i just don’t know how to get it

First, factor out the 2 from the first two terms:

To complete the square, we need to add and subtract a term to the grouped term so that it's the result you would get from squaring some binomial. In this case, notice that

which means we should add and subtract 1 as follows, then condense the quadratic terms:

choice b is correct

step-by-step explanation:

we have been given the following system of linear inequalities;

we are required to graphically determine the solution to these system of inequalities. using a graphing tool, the solution is as shown in the attachment below;

step-by-step explanation:

options