MA.8.AR.3.3 · Linear Relationships, Data Analysis, and Functions

Writing Equations in Slope-Intercept Form: Sample FAST Questions

Writing y = mx + b from a graph, a table, or a word description is the 8th grade skill that ties slope and intercept together. Students find the rate of change, find the starting value, and assemble the equation.

How the FAST tests this benchmark

FAST items include equation editor questions where students type the whole equation, multiple choice items, and drop-down items that ask for the slope and the intercept separately. Reading a y-intercept off a table means finding the value at x = 0, which is often not the first row shown.

Skills students need

Write a slope-intercept equation from a graph
Write a slope-intercept equation from a table
Write a slope-intercept equation from a written description
Identify slope and y-intercept from an equation

Try 6 real MA.8.AR.3.3 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

Answer it and Algebro checks it instantly

Question 1EasyMultiple Select

The table of values for a linear function is shown. Select the tile that shows the slope

m

and the tile that shows the

y

-intercept

b

of the line.

Select every answer that applies, then check.

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

Question 6HardMatching

Match each table of values to the slope-intercept equation that fits it.

Pick one match in each row, then check.

	A. $y = 2x - 1$	B. $y = 4$	C. $y = 3x + 2$	D. $y = -\frac{3}{2}x + 7$
Table A: $(0, 2), (1, 5), (2, 8)$
Table B: $(0, -1), (1, 1), (2, 3)$
Table C: $(2, 4), (4, 1), (6, -2)$
Table D: $(0, 4), (1, 4), (2, 4)$

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.AR.3.4

Graphing Two-Variable Linear Equations

MA.8.AR.3.5

Interpreting Slope and y-Intercept in Context

MA.8.DP.1.1

Building Scatter Plots and Line Graphs