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Solving Systems Graphically
Directions: Answer the following questions. Make sure to show all your work.
1. In each case below, show if the point given is a solution to the system of
equations.

a. Equation 1 y=2x+1
Equation 2 y=-3x-3
Point (-0.8,-0.6)

b. Equation 1 x+y=3
y+2=X
Equation 2

Point (13,2)

C. Equation 1 x+y = 9
Equation 2 0.3x+0.6y = 4.5

Point (0,9)
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infinitely many solutions

step-by-step explanation:

we have been given the equation;

2(2x + 3) = -4 + 2(2x + 5)

we need to determine the value of x.

2(2x + 3), we expand this expression to obtain 4x + 6

similarly 2(2x + 5) will become 4x + 10

now we have;

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 10 - 4

4x + 6 = 4x + 6

the expression on the left hand side is identical to the one on the right hand side. therefore, we are looking at just a single straight line whose equation is;

y = 4x + 6

consequently, we shall have infinitely many solutions

.mp4 files, because, video

d? maybe

step-by-step explanation:

a

step-by-step explanation:

when a number is between two straight lines it means the absolute value.

to find absolute value you need to know how many numbers is that number away from 0.

when finding absolute value the number will always come out positive

so absolute value of -3 is 3

absolute value of 3/2 is 3/2

absolute value of -2 is 2

absolute value of 3.5 is 3.5

absolute value of -1 is 1

now put these numbers in order:

a)   |-1|, |3/2|, |-2|, |-3|, |3.5|