Your Turn: Using the figure, a
c
= d
a
.

What steps need to be taken to change this to a² = cd?

Example: Multiply by 2; divide by a, etc

We are given:
[tex]\frac{a}{c} = \frac{d}{a} [/tex]

First step is to get rid of fractions. We start by multiplying both sides by a.
[tex]\frac{a}{c} = \frac{d}{a} /*a \\ [/tex]

Now we cancel a on right side and we multiply both sides by c.
[tex]\frac{ a^{2}}{c} = \frac{da}{a} /*c \\ \frac{ a^{2}c}{c} = dc[/tex]

After canceling c on the right side we are left with:
[tex]a^{2} = dc or a^{2} = cd[/tex]

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Your Turn: Using the figure, a c = d a . What steps need to be taken to change this to a² = cd? Example: Multiply by 2; divide by a, etc

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Your Turn: Using the figure, a
c
= d
a
.

What steps need to be taken to change this to a² = cd?

Example: Multiply by 2; divide by a, etc