ACT Math practice 2020

Area of a circle

• 𝝅r^2
• 𝝅 d
• 𝝅r2h
• 2𝝅r

Tags

CCSS.7.G.B.4

Circumference of a circle

• 𝝅r^2
• 2𝝅r
• 𝝅r
• 𝝅rd

Tags

CCSS.7.G.B.4

Area of Triangle

• 1/2 (b1 +b2)h
• b*h
• 1/2 b * h
• l*w*h

Tags

CCSS.6.G.A.1

Area of a Trapezoid

• 1/2 b*h
• 1/3 b*h
• 1/2 (b1+b2)h
• 1/2 l*w*h

Tags

CCSS.6.G.A.1

Area of parallelogram

• l*w*h
• 1/2 b*h
• b*h
• 1/3 b*h

Tags

CCSS.6.G.A.1

Volume of a prism

• base * h
• 4/3 𝝅r^3 h
• 1/3 𝝅r^2 h
• (Area of base) * h

Tags

CCSS.7.G.B.6

Volume of a sphere

• 𝝅r^2 h
• 1/3 𝝅r^2* h
• 4/3 𝝅r^3
• 1/2 𝝅r^2 

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Volume of a cone

• 1/3 𝝅r^2* h
• 4/3 𝝅r^3 h
• 𝝅r^2* h
• 2𝝅r 

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Percent of change formula

• Low-High

• (Original - High) = low

• Original - Low + High

• (High - Low) / original

Equation of a Line

• y = mx + b
• l = mb + x
• y = mb + x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3