Solve the equation. check for extraneous solutions. 4log3x = 28

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?