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Solve the equation by graphing: x^2 – 18x + 81 = 0.
A. {2, 9}
B. {9/2, 3}
C. {9}
D. No solution
 2 years ago
 2 years ago
Solve the equation by graphing: x^2 – 18x + 81 = 0. A. {2, 9} B. {9/2, 3} C. {9} D. No solution
 2 years ago
 2 years ago

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amistre64Best ResponseYou've already chosen the best response.1
since you have options, why not just plug and play?
 2 years ago

amistre64Best ResponseYou've already chosen the best response.1
1 18 81 0 2 1 20... 2 not a zero
 2 years ago

MrYanthoBest ResponseYou've already chosen the best response.0
If you have to graph, I would convert the equation into vertex form.
 2 years ago

amistre64Best ResponseYou've already chosen the best response.1
1 18 81 0 9 81 1 9 .... 9 IS a zero
 2 years ago

amistre64Best ResponseYou've already chosen the best response.1
and; 18/2 = 9, ^2 = 81 so its a perfect square already
 2 years ago

MrYanthoBest ResponseYou've already chosen the best response.0
If you are asked to graph  then you need to know how to graph. Do you understand how to graph the equation?
 2 years ago

katlin95Best ResponseYou've already chosen the best response.0
ya the answer is 9 guys
 2 years ago

EEMajor12Best ResponseYou've already chosen the best response.0
Make a Tchart dw:1327882261999:dw keep on going till you get a y value of 9. You will notice the trend of lowering y values.
 2 years ago
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