Write an equation of the line in slope-intercept form.

y=2x-2

Step-by-step explanation

As we know the equation for slope is y2-y1/x2-x1. Let's say (0,-2) is our x1 and y1, and (2,2) is our x2 and y2. Now I can come u with the equation 2-(-2)/2-0=m (m is the variable for slope). The answer comes to be 2. We know the slope-intercept form is y-mx+b (b is the y-intercept). So far we can lug the number 2 in and get y=2x+b. The y-intercept to given to you on the point (0,-2) which means that our y-intercept is -2 and now plug this number in we get y=2x-2.

Hope this helped you : )

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

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step-by-step explanation:

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