Asked by albert
The method for completing the square can be used to write the expression
−2x^2 + 12x−5 in the form a(x + b)^2 + c, where a, b and c are constants.
Choose the option that gives the value of c.
Options
A −23 B −13
2 C 5
2 D 3 E 13 F 14
−2x^2 + 12x−5 in the form a(x + b)^2 + c, where a, b and c are constants.
Choose the option that gives the value of c.
Options
A −23 B −13
2 C 5
2 D 3 E 13 F 14
Answers
Answered by
bobpursley
-2x^2+12x-5
-2(x^2+6x +9)-5-18
-2(x+3)^2-23
-2(x^2+6x +9)-5-18
-2(x+3)^2-23
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