What is the y-intercept is the quadratic function f(x) = (x-8)(x+3)

F(x) = (x – 8)(x + 3)?

We can re-write this equation as:

y = (x – 8)(x + 3)

At the y-intercept, x = 0

Put x = 0 in the above equation

y = (0 – 8)(0 + 3)

y = (-8)(3)

y = -24

The y-intercept is -24

and the point where the curve cuts the y-axis is (0, -24)

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step-by-step explanation:

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations: