CPM Homework Help : CAAC Problem 8-89

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Home > CAAC > Chapter 8 > Lesson 8.2.5 > Problem 8-89

8-89.

Calculate the expressions below. Then compare your answers from (a) and (b) to those in problem 8-88. What do you notice?

$\frac { - 6 + \sqrt { 6 ^ { 2 } - ( 4 ) ( 1 ) ( - 40 ) } } { 2 \cdot 1 }$

$\frac { - 6 - \sqrt { 6 ^ { 2 } - ( 4 ) ( 1 ) ( - 40 ) } } { 2 \cdot 1 }$

$\frac { - 13 - \sqrt { 13 ^ { 2 } - ( 4 ) ( 2 ) ( - 24 ) } } { 2 \cdot 2 }$

$\frac { - 13 + \sqrt { 13 ^ { 2 } - ( 4 ) ( 2 ) ( - 24 ) } } { 2 \cdot 2 }$

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