Permanent Shade/Sick No More

Permanent Shade/Sick No More

Z

unknown quantity of variable

Many of your problems will involve the simultaneous use of unknown values. Some of your more personal problems will involve the expression of numerical information with messy or inconsistent situations. You will use the two equations shown below. Have you ever been in love?

Mirror Equation

1 / f = 1/ do + 1 / di


Magnification Ratio

M = hi / ho = - di / do