Aline passes through (1, –5) and (–3, 7). a. write an equation for the line in point-slope form. b. rewrite the equation in slope-intercept form

(a) y-(-5)= -3(x-1)

(b) y = -3x -2

Step-by-step explanation:

Point slope form is

y-y1= m(x-x1)

Where m is the slope

slope formula is

(x1,y1) is (1, –5) and (x2,y2) is  (–3, 7)

use m=-3 and point (1,-5)

y-y1= m(x-x1)

(a) Point - slope form is

y-(-5)= -3(x-1)

(b) Rewrite the equation in slope-intercept form, solve for y

y+5 = -3x + 3

Subtract 5 on both sides

y = -3x -2

the circle graph is not a function.

step-by-step explanation:

the graph of the circle is not a function.

because for a graph to be a function, each value of x must give one value of y

in the circle, the values of x for -2< x< 2 each give 2 values of y.

hence this is not a function.

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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