That's already in gradient-intercept form, EXCEPT that we typically write such an equation with y positive.
So we'd geet y = -x - 1 (answer)
Note that "gradient" means "slope" here. The slope is -1 and the y-intercept is also -1.
Answer:
Sorry sis don't know the answer
Answer:
21.50
Step-by-step explanation:
Let C = cost before markup
1.25 C = 26.88
C = 26.88/1.25 = 21.50