MA.8.DP.1.2 · Linear Relationships, Data Analysis, and Functions

Describing Patterns in Scatter Plots: Sample FAST Questions

Reading a scatter plot in 8th grade means describing the association: positive or negative, linear or nonlinear, strong or weak, and whether any points sit apart as outliers. Students phrase those descriptions in the context of the data.

How the FAST tests this benchmark

FAST items favor multiple choice, drop-down, and hot text formats where students assemble a description or click the outlier on the plot. The language stays descriptive, so a strong association is never stated as one variable causing the other.

Skills students need

Describe the direction of an association
Describe the form of an association as linear or nonlinear
Describe the strength of an association
Identify outliers in a scatter plot

Try 6 real MA.8.DP.1.2 questions

These come straight from Algebro's 8th grade pre-algebra question bank, easiest first. Answer one, check it, then move to the next.

Question 1 of 6

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Question 1EasyMultiple Choice

A gym teacher made a scatter plot of

8

shoe sizes

(x)

versus heights in centimeters

(y)

. Which choice best describes the association between shoe size and height?

Showcase extra: the real practice and quiz players do not have this button.

Question 4MediumMatching

Each row lists a set of data points. Match each set to its outlier (the point far from that set's overall trend).

Pick one match in each row, then check.

	A. $(4, 2)$	B. $(20, 5)$	C. $(5, 40)$	D. $(4, 30)$
Set 1: $(1, 5), (2, 7), (3, 9), (4, 30), (5, 13), (6, 15)$
Set 2: $(1, 20), (2, 18), (3, 16), (4, 2), (5, 12), (6, 10)$
Set 3: $(2, 4), (4, 8), (6, 12), (8, 16), (20, 5)$
Set 4: $(1, 2), (2, 5), (3, 8), (4, 11), (5, 40)$

Showcase extra: the real practice and quiz players do not have this button.

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More 8th grade linear relationships and functions benchmarks

MA.8.DP.1.3

Fitting a Line to a Scatter Plot

MA.8.F.1.1

Functions, Domain, and Range

MA.8.F.1.2

Deciding Whether a Function Is Linear