Proportions

What is a proportions?

• When two fractions (ratios) equal each other

• How long the parts of your body are

Tags

CCSS.7.RP.A.2A

When solving proportions, the first step is ...

• Cross multiply

• Square both sides

• Divide both sides

Tags

CCSS.6.EE.B.7

When a proportion turns into a quadratic equation, you must

• Set the equation equal to 0

• Find the LCD

• Give up

Tags

CCSS.HSA-REI.B.4B

• 3x=8

• 12=x

• 8x=3

Tags

CCSS.7.RP.A.2C

• 50=2x

• 10=2x

• 50=x

Tags

CCSS.7.RP.A.2C

• 7=x

• 48=7x

• 48=x

Tags

CCSS.7.RP.A.2C

• 15x=10

• 3=x

• 10x=15

Tags

CCSS.7.RP.A.2C

• 3=5

• 5x=3

• 5(x+1) = 3x

Tags

CCSS.7.EE.B.4A