Solve each system of inequalities by graphing. 1. Y<-X - 4
x-y=2

2. 2x+3y>12
5x-3y<15

1.Given : Inequalities  and

To find : Solve the system of inequalities by graphing ?

Solution :

Let the equation 1 -

Equation 2 -

Plot these equation in the graphing tool,

Equation 1  is shown by red dotted line.

Equation 2  is shown by blue dotted line.

The intersection point of the equations is the solution of the system i.e. (0,-1).

Refer the attached figure below.

The solution of inequalities is at (0,-1).

2. Y=5-2x/3

Step-by-step explanation:

80° is the measure of gh

step-by-step explanation:

circle f is congruent to circle j

we have two circle with center f and j.

both circles are congruent. the radius of the circle would be equal.

see the attachment for the circle.

we are given ∠efd ≅ ∠gjh

therefore, arc (ed) = arc (gh)     (∴ circle f is congruent to circle j)

but ∠dfe=80°=arc (ed)

therefore, arc (gh) = 80°

thus, 80° is the measure of gh