4
QuizMultiple Choice
Writing Linear Equations Given Two Points
Question 4 • WI-Mathematics Grade 8 A
Brooke found the equation of the line passing through the points (–7, 25) and (–4, 13) in slope-intercept form as follows. What was Brooke’s error?
Answer
A
She found the incorrect slope in step 1.B
She mixed up the x- and y-coordinates when she plugged in the point in step 2.C
She found the incorrect y-intercept in step 2.D
She mixed up the slope and y-intercept when she wrote the equation in step 3.