X = SQRT (a) - SQRT (b) and Y = SQRT (a) + SQRT (b). What is the value of XY if a = 137 and b = 136 ?

*Note. SQRT = square root.*

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TJ test prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.

X = SQRT (a) - SQRT (b) and Y = SQRT (a) + SQRT (b). What is the value of XY if a = 137 and b = 136 ?

*Note. SQRT = square root.*

#TJprep #HSPT #SHSAT