8th Grade Math 1st Semester Exam

Front

What is the slope-intercept form of a linear equation?

Back

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

Front

How do you calculate the mean absolute deviation (MAD) of a data set?

Back

To calculate MAD, find the mean of the data set, then find the absolute differences between each data point and the mean, and finally calculate the average of those absolute differences.

Tags

CCSS.6.SP.B.5C

Front

What is a proportional relationship?

Back

A proportional relationship is one where two quantities maintain a constant ratio. For example, if you buy 5 tangerines for $1.10, the cost per tangerine remains constant.

Tags

CCSS.7.RP.A.2A

Front

How do you find the slope of a line given two points?

Back

Tags

CCSS.8.EE.B.5

Front

What does the y-intercept represent in a linear equation?

Back

Front

How do you determine if a relationship is linear?

Back

A relationship is linear if it can be represented by a straight line on a graph, meaning it has a constant rate of change.

Tags

CCSS.HSF-LE.A.1B

Front

What is the formula for calculating the area of a triangle?

Back

Tags

CCSS.6.G.A.1

Front

What is the difference between mean and median?

Back

The mean is the average of a set of numbers, while the median is the middle value when the numbers are arranged in order.

Tags

CCSS.6.SP.B.5C

Front

How do you graph a linear equation?

Back

To graph a linear equation, identify the y-intercept, plot it on the y-axis, then use the slope to find another point and draw a line through both points.

Front

What is the formula for the slope of a line in standard form?

Back

Tags

CCSS.8.EE.B.5