1. A Radical Equation
PQ =
y²
y¹)²
PQ =
PQ =
PQ =
PQ =
(–2 – 4 = – 6 + – 3 –1 = – 4)
(– 6 x – 6 = 36 + – 4 x – 4 = 16)
or 7.2 (square root)
*Whereas adding two negatives produces a negative multiplying two negatives produces a
positive
To determine the square root of a number utilizing a calculator type the number into the
calculator and hit the “sqrt” button.
To get a negative sign (not a minus sign) on a calculator type the number to be made negative
and hit the “+/-” button.
Certain functions defer on some calculators as opposed to others.