Writinglinear Review

Name: ______March 27, 2014

Teacher: ______Math 8

Review – Writing Linear Equations Quiz

1) Write the equation of the line whose y-intercept is 4 and has a slope of -2

2) Write the equation of the line shown below

3) Write an equation of the line with slope -2 that goes through the point (3,5)

4) Find the equation of the line that passes through (-1,3) and (2,6) 5) Which function has the greater rate of change?

y = -3x + 7 x 1 2 4 5 y -2 -4 -8 -10

6) John is participating in a charity walk-a-thon to raise money for cancer research. Sponsors can donate a flat fee or pledge a certain amount per mile. John received $25 in flat donations and $19.25 in per mile donations.

A) Write a linear equation representing John's total donations

B) How much will John raise if he walks 8 miles?