Grade 8 · Algebra & functions

Graphing linear equations practice

Graphing linear equations is a grade 8 math skill aligned to Common Core standard 8.F.B.4: construct a function to model a linear relationship between two quantities; determine the rate of change and initial value of the function. Below are 8 practice questions with answers and step-by-step explanations, drawn from the 217 graphing linear equations problems our math games drill.

CCSS 8.F.B.4217 questions in the bank

Sample questions

Try 8 for free

Question 1easy

What is the slope of the line $y = \dfrac{1}{2}x - 1$ ?

In $y = mx + b$ , the slope is $m = \dfrac{1}{2}$ .

Question 2easy

What is the $y$ -intercept of the line $y = \dfrac{1}{2}x - 4$ ?

In $y = mx + b$ , the $y$ -intercept is $b = -4$ .

Question 3easy

What is the slope of the line $y = \dfrac{3}{2}x + 2$ ?

In $y = mx + b$ , the slope is $m = \dfrac{3}{2}$ .

Question 4easy

What is the $y$ -intercept of the line $y = \dfrac{1}{4}x - 6$ ?

In $y = mx + b$ , the $y$ -intercept is $b = -6$ .

Question 5easy

What is the slope of the line $y = \dfrac{1}{2}x - 2$ ?

In $y = mx + b$ , the slope is $m = \dfrac{1}{2}$ .

Question 6easy

What is the $y$ -intercept of the line $y = \dfrac{3}{4}x - 5$ ?

In $y = mx + b$ , the $y$ -intercept is $b = -5$ .

Question 7easy

What is the slope of the line $y = -\dfrac{3}{2}x - 8$ ?

In $y = mx + b$ , the slope is $m = -\dfrac{3}{2}$ .

Question 8easy

What is the $y$ -intercept of the line $y = \dfrac{3}{4}x - 7$ ?

In $y = mx + b$ , the $y$ -intercept is $b = -7$ .

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Math games for Grade 8

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Blaster Gate game

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Blitz TanksSolve math to load shells. Out-think the battalion. Last math standing wins.

Tests that cover graphing linear equations:

NAEP PSAT 8/9 ACT SC READY NC EOG/EOC

More Grade 8 skills:

Scatter plots and bivariate data Distance formula Exponent rules Irrational number approximations Linear coefficient interpretations Polygon angle formulas Modeling linear situations Pythagorean theorem All Grade 8 practice →

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