Asked by tressa

Solve: t - sqrt () 6t - 9 = 0

a) {-3}
b) {-3,3}
c) 0
d) {3}

Answers

Answered by Reiny
Did you mean
t - √(6t-9) = 0 ?

if so, then
t = √(6t-9)
square both sides
t^2 = 6t-9
t^2 - 6t + 9 - 0
(t-3)^2 = 0
t-3 = 0
t = 3
Answered by tressa
yes i did and thanks and how do i put that like you have
Answered by Reiny
to create √ symbol
on a PC, hold down the Alt key, and at the same time press 251 on the number pad, then release the Alt key

on Mac,
hold down the Option key, and press V, release the Option key
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