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Flashback 10-3-12

Flashback 10-3-12. Each of the variables  t ,  w ,  x ,  y , and  z  represents a different positive  real number. Given the equations below, which of the 4 variables  w ,  x ,  y , and  z  necessarily has the greatest value ? 1.23 w  =  t 1.01 x  =  t 0.99 y  =  t 0.23 z  =  t

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Flashback 10-3-12

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  1. Flashback 10-3-12 • Each of the variables t, w, x, y, and z represents a different positive real number. Given the equations below, which of the 4 variables w, x, y, and z necessarily has the greatest value? • 1.23w = t1.01x = t0.99y = t0.23z = t F.w G.xH.yJ.z K. Cannot be determined from the given information

  2. Joke of the day He said I was average -

  3. but he was just being mean.

  4. Simplifying radical expressions containing variables • Simplify numerical part of expression as normal. • Split variables with odd powers into products of even powers* power of 1. • Even powers have a square root of the exponent divided by 2.

  5. Try some! • √25x2 • √121a2b2 • √40x3y4 • √50a3b5 • √200xy2z3 • √24c3d2e • √60r3s2t4

  6. Exit Slip • In a triangle with sides a = 8, c = 15, find side b. • 4√15(√6 + √5 )

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