ACT MATH FORMULA REVIEW

What is the formula for the volume of a cylinder?

• V = 2πr²h

• V = πr²h

• V = πr² + h

• V = 4/3πr³

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

What is the Pythagorean theorem?

• a² + b² = c², where c is the hypotenuse and a, b are the other two sides.

• a² + b² = d², where d is the diagonal of a rectangle.

• a² + b² = a × b, where a and b are the lengths of the sides of a triangle.

• a + b = c, where c is the perimeter of the triangle.

Tags

CCSS.8.G.B.8

What is the formula for the area of a circle?

• A = πr², where r is the radius.

• A = 2πr, where r is the radius.

• A = πd², where d is the diameter.

• A = r² + h², where h is the height.

Tags

CCSS.7.G.B.4

What is the formula for the distance between two points (x1, y1) and (x2, y2)?

• Distance = √((x2 - x1)² + (y2 - y1)²)

• Distance = |x2 - x1| + |y2 - y1|

• Distance = (x2 - x1) + (y2 - y1)

• Distance = √((x2 + x1)² + (y2 + y1)²)

Tags

CCSS.HSG.GPE.B.7

What is the formula for the quadratic equation?

• ax² + bx + c = 0, where a, b, and c are constants.

• ax² - bx + c = 0, where a, b, and c are constants.

• a² + b² = c², where a, b, and c are constants.

• ax² + b + c = 0, where a, b, and c are constants.

What is the formula for the perimeter of a rectangle?

• P = l + w

• P = 2l + 2w

• P = lw

• P = 2(l + w)

Tags

CCSS.4.MD.A.3

What is the formula for the area of a triangle?

• A = base * height

• A = 1/2 * base * height

• A = base + height

• A = base * height / 2

Tags

CCSS.6.G.A.1

What is the definition of the midpoint of a line segment?

• The point that divides the segment into two equal parts.

• The point that marks the end of the segment.

• The point that is closest to one of the endpoints.

• The point that is the average of the endpoints' coordinates.

Tags

CCSS.HSG.GPE.B.6

What is the formula for the circumference of a circle?

• C = πd

• C = 2πr

• C = r^2

• C = 2r

Tags

CCSS.7.G.B.4

What is the formula for the perimeter of a square?

• P = 4s, where s is the length of a side.

• P = 2l + 2w, where l is the length and w is the width.

• P = s^2, where s is the length of a side.

• P = 4l, where l is the length of a side.

Tags

CCSS.4.MD.A.3