MATH: Pg. 412 #17 & Pg. 426 #14

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<p>Page 412 : 17. (Grid-In)</p>

<p>In the xy-coordinate plane, the graph of x=y²-4 intersects line L at (0,p) and (5,t). What is the greatest possible value of the slope of L? </p>

<p>Page 426: 14</p>

<p>If (a+b)^0.5 = (a-b)^-0.5, which of the following must be true?</p>

<p>A. b = 0
B. a+b = 1
C. a-b = 1
D. a²+b² = 1
E. a²-b² = 1</p>

<p>Please, could someone explain these to me?</p>

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<p>Look it up in <a href="http://talk.collegeconfidential.com/sat-preparation/339734-consolidated-list-blue-book-math-solutions-3rd-ed.html%5B/url%5D"&gt;http://talk.collegeconfidential.com/sat-preparation/339734-consolidated-list-blue-book-math-solutions-3rd-ed.html&lt;/a&gt;&lt;/p>