ACT math practice

Front

What is the mean of the following rainfall amounts: 1.7", 2.2", 0.5", 0.72", and 1.1"?

Back

The mean amount of rainfall is 1.2".

Tags

CCSS.6.SP.B.5C

Front

How do you add the vectors a = (3, 6) and b = (2, -5)?

Back

The result of adding the vectors is (5, 1).

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

Front

List all the positive factors of 10.

Back

The positive factors of 10 are 1, 2, 5, 10.

Tags

CCSS.4.OA.B.4

Front

What is the equivalent expression for (5y + 2)(y - 3)?

Back

The equivalent expression is found in option D.

Tags

CCSS.HSA.APR.A.1

Front

How do you express x in terms of y for the equation 4x + 8y = 16?

Back

x = -2y + 4.

Tags

CCSS.6.EE.C.9

Front

What is the formula for calculating the mean of a set of numbers?

Back

Mean = (Sum of all values) / (Number of values).

Tags

CCSS.6.SP.B.5C

Front

What are vectors and how are they represented?

Back

Vectors are quantities that have both magnitude and direction, represented as ordered pairs (x, y).

Tags

CCSS.HSN.VM.A.1

Front

What is a factor in mathematics?

Back

A factor is a number that divides another number without leaving a remainder.

Tags

CCSS.4.OA.B.4

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of their variables.

Tags

CCSS.6.EE.A.4

Front

How do you simplify the expression (5y + 2)(y - 3)?

Back

You apply the distributive property to simplify the expression.

Tags

CCSS.HSA.APR.A.1