Math ACT Prep

Front

What is the formula for finding the perimeter of a circle?

Back

Circumference = 2πr or Circumference = πd, where r is the radius and d is the diameter.

Tags

CCSS.7.G.B.4

Front

How do you find the Least Common Denominator (LCD) of fractions?

Back

The Least Common Denominator is the least common multiple (LCM) of the denominators of the fractions.

Front

In the formula h = at² + bt + c, what does 'c' represent?

Back

'c' represents the initial height from which the ball is thrown.

Front

What does it mean when we say two consecutive numbers?

Back

Two consecutive numbers are two numbers that follow each other in order, such as 3 and 4.

Tags

CCSS.6.NS.C.6C

Front

In the equation of a line, what does 'm' stand for?

Back

'm' stands for the slope of the line.

Tags

CCSS.8.EE.B.5

Front

What is the formula for the area of a circle?

Back

Area = πr², where r is the radius of the circle.

Tags

CCSS.7.G.B.4

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Tags

CCSS.8.G.B.8

Front

How do you calculate the mean of a set of numbers?

Back

Mean = (Sum of all numbers) / (Total count of numbers).

Tags

CCSS.6.SP.B.5C

Front

What is the difference between a rational and an irrational number?

Back

A rational number can be expressed as a fraction of two integers, while an irrational number cannot be expressed as a simple fraction.

Tags

CCSS.8.NS.A.1

Front

What is the formula for the volume of a cylinder?

Back

Volume = πr²h, where r is the radius and h is the height.

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3