Midterm Review Algebra 1

Front

What is the range of a set of numbers?

Back

The range is the difference between the highest and lowest values in a set of numbers.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

How do you calculate the range of Roger's bowling scores: 155, 165, 138, 172, 127, 193, 142?

Back

Range = Highest score - Lowest score = 193 - 127 = 66.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What is the upper quartile (Q3) in a data set?

Back

The upper quartile (Q3) is the median of the upper half of a data set, representing the 75th percentile.

Tags

CCSS.6.SP.B.5C

Front

How do you find the upper quartile of the data set: 58, 62, 64, 66?

Back

Arrange the data in order: 58, 62, 64, 66. Q3 is the median of the upper half, which is 64.

Tags

CCSS.6.SP.B.5C

Front

What does it mean for two lines to be parallel?

Back

Two lines are parallel if they never intersect and have equal slopes.

Tags

CCSS.8.EE.B.6

Front

If two lines have slopes of 3 and 3, what can we say about them?

Back

The lines are parallel because they have equal slopes.

Tags

CCSS.8.EE.B.6

Front

What is the process to simplify the expression: 2x + 1 + 7x?

Back

Combine like terms: 2x + 7x = 9x, so the expression simplifies to 9x + 1.

Tags

CCSS.7.EE.A.1

Front

What is the simplified form of 2x + 1 + 7x?

Back

The simplified form is 9x + 1.

Tags

CCSS.7.EE.A.1

Front

What is a system of inequalities?

Back

A system of inequalities is a set of two or more inequalities with the same variables.

Tags

CCSS.8.EE.C.8B

Front

How do you graph a system of inequalities?

Back

Graph each inequality on the same coordinate plane and find the region where the solutions overlap.

Tags

CCSS.HSA.REI.D.12