Find the x- and y-intercepts of the graph. then plot the intercepts to graph the equation. of y=−13x+3y . plz i still dont understand how to graph this !

answer:

step-by-step explanation:

look at the picture.

we have :

4 rectangles 3m × 4m → a₁ = 3 · 4 = 12 m²

2 rectangles 3m × 3m → a₂ = 3 · 3 = 9 m²

therefore the surface area of the rectangular prism is:

s.a. = 4a₁ + 2a₂

substitute:

s.a. = 4(12) + 2(9) = 48 + 18 = 66

hello from mrbilldoesmath!

answer:

1.     x(12-3x)

2.   240 ( sqrt(1/12) + x ) (sqrt(1/12)   - x)

discussion:

1.  

12x - 3x^2   =                       => factor x from each term

x(12-3x)

2.

20 - 240x^2 =                   => factor 240 from each term

240   ( 20/240 - x^2)=       => 20/240 = 2/24 = 1/12

240 ( 1/12   - x^2) =             => as a^2 - b^2 = (a+b)(a-b)

240 ( sqrt(1/12) + x ) (sqrt(1/12)   - x)

you,

mrb