Find a row echelon form or a reduced row echelon form, as indicated, for the given matrix.
-Find a reduced row echelon form for the matrix. 
Definitions:
Q6: The hyperbola <span class="ql-formula" data-value="x
Q49: <span class="ql-formula" data-value="r = \langle 7,6 ,
Q55: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8181/.jpg" alt=" A)
Q55: <span class="ql-formula" data-value="\frac { ( x +
Q64: <span class="ql-formula" data-value="8 y=-x^{2}"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mn>8</mn><mi>y</mi><mo>=</mo><mo>−</mo><msup><mi>x</mi><mn>2</mn></msup></mrow><annotation
Q81: A rectangle has its center at
Q100: A certain radioactive isotope has a
Q113: <span class="ql-formula" data-value="\begin{array} { l } 4
Q175: <span class="ql-formula" data-value="\mathrm { r } =
Q314: <span class="ql-formula" data-value="\left[ \begin{array} { l l