ACT prep math

Front

What is the relationship between the number of people in line and the waiting time for a roller coaster ride?

Back

The waiting time increases proportionally with the number of people in line.

Tags

CCSS.8.EE.B.5

Front

What is a 30°-60°-90° triangle?

Back

A special right triangle where the angles are 30 degrees, 60 degrees, and 90 degrees. The sides are in the ratio 1:√3:2.

Tags

CCSS.HSG.CO.C.10

Front

If the waiting time for 150 people is 20 minutes, how long will it be for 1,200 people?

Back

160 minutes.

Tags

CCSS.6.RP.A.3B

Front

How do you find the value of x in a triangle?

Back

Use the properties of triangles, such as the sum of angles in a triangle equals 180 degrees.

Tags

CCSS.8.G.A.5

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Tags

CCSS.6.G.A.1

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Tags

CCSS.4.G.A.2

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees.

Tags

CCSS.8.G.A.5

Front

What is a special triangle?

Back

A triangle with specific angle measures that allow for predictable side ratios.

Tags

CCSS.4.G.A.2

Front

How do you determine the slope of a line from a graph?

Back

Slope = (change in y) / (change in x).

Tags

CCSS.8.EE.B.5

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Tags

CCSS.6.EE.A.2B