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Grade 8 Algebra: Writing Equations of Lines

Name: ______________________Date: ____________Score: ____ / 8

Level 1

From slope and y-intercept

Directions: Write the equation of each line in the form ${y = mx + b}$ .

1.
$m = 3,\ b = 2$
2.
$m = -2,\ b = 5$
3.
$m = 4,\ b = -1$
4.
$m = 1,\ b = -6$
5.
$m = -5,\ b = 0$
6.
$m = \tfrac{1}{2},\ b = 3$
7.
$m = -1,\ b = 8$
8.
$m = 0,\ b = -4$

$\text{Writing}$ $\text{Equations}$ $\text{of}$ $\text{Lines:}$ $\text{Free}$ $\text{8th}$ $\text{Grade}$ $\text{Math}$ $\text{PDF}$

$\text{Linear}$ $\text{functions}$ $\text{have}$ $\text{a}$ $\text{constant}$ $\text{rate}$ $\text{of}$ $\text{change}$ $\text{and}$ $\text{form}$ $\text{straight}$ $\text{lines}$ $\text{on}$ $\text{a}$ $\text{graph.}$ $\text{Their}$ $\text{slope}$ $\text{and}$ $\text{initial}$ $\text{value}$ $\text{connect}$ $\text{equations,}$ $\text{tables}$ $\text{and}$ $\text{graphs,}$ $\text{helping}$ $\text{describe}$ $\text{situations}$ $\text{such}$ $\text{as}$ $\text{a}$ $\text{fixed}$ $\text{starting}$ $\text{cost}$ $\text{followed}$ $\text{by}$ $\text{a}$ $\text{cost}$ $\text{per}$ $\text{unit.}$

$\text{Writing}$ $\text{Equations}$ $\text{of}$ $\text{Lines.}$ $\text{Level}$ $\text{1:}$ $\text{From}$ $\text{slope}$ $\text{and}$ $\text{y-intercept.}$