Find the vertex of a quadratic function written in standard form.
f(x) = x 2+ 2x − 5

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Find the least common denominator for thesetvo rational expressions. n^2/n^2+4n+4 -3/n^2+7n+10

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83