Algebra: Chapter 4 Review Quiz

What is a ratio?

• A comparison of two numbers by division.

• Often expressed as a whole number in simplest form.

• The product of the extremes is equal to the product of the means

• Used when making a model to represent something that is too large or small.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the Means-Extreme Property of Proportions?

• A comparison of two numbers by division.

• Often expressed as a whole number in simplest form.

• The product of the extremes is equal to the product of the means

• Used when making a model to represent something that is too large or small.

Tags

CCSS.8.EE.C.7B

What is a proportion?

• A comparison of two numbers by division.

• An equation stating that two ratios are equal.

• The product of the extremes is equal to the product of the means

• Used when making a model to represent something that is too large or small.

Tags

CCSS.7.RP.A.2C

What is a similar triangle?

• A comparison of two numbers by division.

• An equation stating that two ratios are equal.

• The measures of their corresponding sides are proportional and the measures of their corresponding angles are equal.

• Used when making a model to represent something that is too large or small.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What are corresponding angles?

• Two triangles have equal measures

• measures of their corresponding sides are proportional and measures of their corresponding angles are equal.

• Sin=

  opposite leg/hypotenuse

• cos=

  adjacent leg/hypotenuse

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What is the correct ratio for Sine?

• Sin=

  opposite leg/adjacent leg

• There is no ratio

• Sin=

  opposite leg/hypotenuse

• Sin=

  adjacent leg/hypotenuse

Tags

CCSS.HSG.SRT.C.6

What is the correct ratio for Cosine?

• Cos=

  opposite leg/adjacent leg

• There is no ratio

• Cos=

  opposite leg/hypotenuse

• Cos=

  adjacent leg/hypotenuse

Tags

CCSS.HSG.SRT.C.6

What is the correct ratio for Tangent?

• Tan=

  opposite leg/adjacent leg

• There is no ratio

• Tan=

  opposite leg/hypotenuse

• Tan=

  adjacent leg/hypotenuse

Tags

CCSS.HSG.SRT.C.6

What is a percent proportion?

• Percentage/Base=Rate

• Percentage/Rate=Base

• Percentage=Rate/Base

• Percentage=Base/Rate

What is the formula for Simple Interest?

• I=prt

• P=irt

• T=irp

• R=itp

Tags

CCSS.8.EE.C.7B