Question

Jolon used the slope-intercept form to write the equation of a line with slope 3 that passes through the point (5,-2).
His work is shown below.
Step 1: -2=3(5)+ b
Step 2: -2 = 15+ b
Step 3: -2+15= 15+15+
Step 4: -13=
Step 5: y = 3x - 13
Analyze the steps. In which step did the Jolon make an error?
He switched the x- and y- values in step 1.
He multiplied incorrectly in step 2.
He added 15 to both sides in step 3.
He forgot to add the b-value in step 5.​

Answer 1

Answer:

He made a mistake at step 3. He should subtract 15 from both side instead of adding 15 to both side.

Answer: Step 3