Simplify i354

Solve the equation by using the quadratic formula. Write an exact, simplified answer, using radicals as necessary.x2 + 8x = 7

Determine if the sequence is an arithmetic sequence, a geometric sequence, or neither. If it is either arithmetic or geometric, give the next term in the sequence.2187, 729, 243, 81, 27, . . .

You cannot use any resources for this exam, except for the following:a) A4 paper with single side handwriting and you can have Two sheets of empty paper for writingb) Pen or a pencilc) Calculator (basic) – not through a phone (Lockdown browser also would have it)You cannot use any books, notes, software, electronic devices, or communicate with anyone during the exam. If it appears you have violated these rules during the exam, you will be given a zero score.

The following Java method was designed to output the reversal of the input String s:public static String reverseString(String s) {  if (s==null || s.length()

If two object reference variables refer to the same object, then the object may be modified through either of the variables

Given the following tree:index.pngWhat is order in which the nodes are visited for a POST-ORDER traversal?

Command-line arguments are separated using spaces.

What is the output of the following code? public class Test {  public static void main(String[] args) {    try {      int[] arr = null;      int b = arr.length;    } catch (ArrayIndexOutOfBoundsException e) {      System.out.print(“oops…”);    } catch (NullPointerException e) {      System.out.print(“ok…”);    } finally {      System.out.println(“done”);    }  }} [BLANK-1]

What is the output of the following Java program statement (be exact and only include characters that will be displayed)? System.out.println(“\””+”\\\”Java”); [BLANK-1]