# How do you solve #r= \sqrt { - 3+ 4r }#?

##### 2 Answers

Mar 13, 2018

#### Answer:

#### Explanation:

square both sides:

add

factorise the quadratic equation:

Mar 13, 2018

#### Answer:

Square both sides, then use the quadratic formula to find

#### Explanation:

First, square both sides to remove the radical:

Next, move all terms to the left hand side to get a quadratic equation:

fill in the quadratic formula:

Where

This give you two solutions,