78. Write an equation in point-slope form that describes the line through the points

jigsaw

New member
(-2, 6) and (3, 1).? Thank you for any help :)! And if you can, can you help me on these too?


71. A machine makes 640 fl oz of yogurt. Each serving is 8 fl oz. The amount left after x servings is described by the function
f(x) = 640 - 8x. What is the value and meaning of each intercept?

70. An apartment in Fresno, California, rents for $600 per month with a $1000 deposit. The rental is month-to-month, but you must stay at least one month. The function f(x) = 600x + 1000 gives the cost of renting for x months.

58. A recycling center pays 2 cents per aluminum can and 5 cents per glass bottle. The equation 2x + 5y = 100 describes the number of cans x and bottles y that you need to earn $1.00. What is the value of each intercept, and what does each represent?


16. Trey’s mechanic said he could fix Trey’s car at a rate of $20 per hour, plus $400 for the cost of a part. Trey’s neighbor said he already has the needed part, and will fix his car for only $70 per hour. For how many hours will the cost of getting his car fixed by either person be the same?
 
Back
Top